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1052224121 = 1385394889
BaseRepresentation
bin111110101101111…
…010101001111001
32201022221112010202
4332231322221321
54123332132441
6252224451545
735034520544
oct7655725171
92638845122
101052224121
1149aa53613
12254479bb5
13139cc3a30
149da6385b
156259a19b
hex3eb7aa79

1052224121 has 8 divisors (see below), whose sum is σ = 1134504840. Its totient is φ = 970134912.

The previous prime is 1052224097. The next prime is 1052224153. The reversal of 1052224121 is 1214222501.

It can be written as a sum of positive squares in 4 ways, for example, as 93392896 + 958831225 = 9664^2 + 30965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052224121 - 26 = 1052224057 is a prime.

It is a super-2 number, since 2×10522241212 = 2214351201628445282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1052224093 and 1052224102.

It is not an unprimeable number, because it can be changed into a prime (1052224721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36356 + ... + 58533.

It is an arithmetic number, because the mean of its divisors is an integer number (141813105).

Almost surely, 21052224121 is an apocalyptic number.

It is an amenable number.

1052224121 is a deficient number, since it is larger than the sum of its proper divisors (82280719).

1052224121 is an equidigital number, since it uses as much as digits as its factorization.

1052224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95755.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1052224121 is about 32438.0042696834. The cubic root of 1052224121 is about 1017.1134978381.

Adding to 1052224121 its reverse (1214222501), we get a palindrome (2266446622).

It can be divided in two parts, 10522 and 24121, that added together give a palindrome (34643).

The spelling of 1052224121 in words is "one billion, fifty-two million, two hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 13 853 11089 94889 1233557 80940317 1052224121