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1053121025 = 52113829531
BaseRepresentation
bin111110110001010…
…101101000000001
32201101122002110102
4332301111220001
54124044333100
6252300012145
735045244455
oct7661255001
92641562412
101053121025
114a0506460
12254831055
1313a249048
149dc18665
15626c5cd5
hex3ec55a01

1053121025 has 12 divisors (see below), whose sum is σ = 1424585904. Its totient is φ = 765906000.

The previous prime is 1053121009. The next prime is 1053121063. The reversal of 1053121025 is 5201213501.

It is a happy number.

It is not a de Polignac number, because 1053121025 - 24 = 1053121009 is a prime.

It is a super-2 number, since 2×10531210252 = 2218127786594101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053120988 and 1053121006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914491 + ... + 1915040.

It is an arithmetic number, because the mean of its divisors is an integer number (118715492).

Almost surely, 21053121025 is an apocalyptic number.

It is an amenable number.

1053121025 is a deficient number, since it is larger than the sum of its proper divisors (371464879).

1053121025 is a wasteful number, since it uses less digits than its factorization.

1053121025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829552 (or 3829547 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1053121025 is about 32451.8262197985. The cubic root of 1053121025 is about 1017.4024077990.

Adding to 1053121025 its reverse (5201213501), we get a palindrome (6254334526).

The spelling of 1053121025 in words is "one billion, fifty-three million, one hundred twenty-one thousand, twenty-five".

Divisors: 1 5 11 25 55 275 3829531 19147655 42124841 95738275 210624205 1053121025