125363905 has 16 divisors (see below), whose sum is σ = 152467920. Its totient is φ = 98947072.

The previous prime is 125363893. The next prime is 125363923. The reversal of 125363905 is 509363521.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 103041 + 125260864 = 321^2 + 11192^2 .

It is a cyclic number.

It is not a de Polignac number, because 125363905 - 2¹¹ = 125361857 is a prime.

It is a super-2 number, since 2×125363905² = 31432217353698050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134481 + ... + 135409.

It is an arithmetic number, because the mean of its divisors is an integer number (9529245).

Almost surely, 2^125363905 is an apocalyptic number.

It is an amenable number.

125363905 is a deficient number, since it is larger than the sum of its proper divisors (27104015).

125363905 is a wasteful number, since it uses less digits than its factorization.

125363905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 125363905 is about 11196.6023864385. The cubic root of 125363905 is about 500.4847365757.

The spelling of 125363905 in words is "one hundred twenty-five million, three hundred sixty-three thousand, nine hundred five".