125302505 has 16 divisors (see below), whose sum is σ = 157230720. Its totient is φ = 95682048.

The previous prime is 125302493. The next prime is 125302531. The reversal of 125302505 is 505203521.

It is a cyclic number.

It is not a de Polignac number, because 125302505 - 2⁸ = 125302249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

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, 76586 + ... + 78204.

It is an arithmetic number, because the mean of its divisors is an integer number (9826920).

Almost surely, 2^125302505 is an apocalyptic number.

It is an amenable number.

125302505 is a deficient number, since it is larger than the sum of its proper divisors (31928215).

125302505 is a wasteful number, since it uses less digits than its factorization.

125302505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 125302505 is about 11193.8601474201. The cubic root of 125302505 is about 500.4030150704.

The spelling of 125302505 in words is "one hundred twenty-five million, three hundred two thousand, five hundred five".