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1054450121 = 291132331381
BaseRepresentation
bin111110110110011…
…010000111001001
32201111010121122012
4332312122013021
54124414400441
6252344305305
735062451414
oct7666320711
92644117565
101054450121
114a1233a8a
12255172235
1313a5c2caa
14a0082b7b
15628899eb
hex3ed9a1c9

1054450121 has 16 divisors (see below), whose sum is σ = 1105986960. Its totient is φ = 1004021760.

The previous prime is 1054450099. The next prime is 1054450127. The reversal of 1054450121 is 1210544501.

It can be written as a sum of positive squares in 8 ways, for example, as 238548025 + 815902096 = 15445^2 + 28564^2 .

It is not a de Polignac number, because 1054450121 - 26 = 1054450057 is a prime.

It is a super-2 number, since 2×10544501212 = 2223730115353829282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054450127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762851 + ... + 764231.

It is an arithmetic number, because the mean of its divisors is an integer number (69124185).

Almost surely, 21054450121 is an apocalyptic number.

It is an amenable number.

1054450121 is a deficient number, since it is larger than the sum of its proper divisors (51536839).

1054450121 is a wasteful number, since it uses less digits than its factorization.

1054450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1054450121 is about 32472.2977474647. The cubic root of 1054450121 is about 1017.8302335906.

Adding to 1054450121 its reverse (1210544501), we get a palindrome (2264994622).

The spelling of 1054450121 in words is "one billion, fifty-four million, four hundred fifty thousand, one hundred twenty-one".

Divisors: 1 29 113 233 1381 3277 6757 26329 40049 156053 321773 763541 4525537 9331417 36360349 1054450121