125370505 has 16 divisors (see below), whose sum is σ = 162968400. Its totient is φ = 92037888.

The previous prime is 125370439. The next prime is 125370517. The reversal of 125370505 is 505073521.

It can be written as a sum of positive squares in 8 ways, for example, as 2005056 + 123365449 = 1416^2 + 11107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125370505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5671 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (10185525).

Almost surely, 2^125370505 is an apocalyptic number.

It is an amenable number.

125370505 is a deficient number, since it is larger than the sum of its proper divisors (37597895).

125370505 is a wasteful number, since it uses less digits than its factorization.

125370505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 125370505 is about 11196.8971148261. The cubic root of 125370505 is about 500.4935193836.

The spelling of 125370505 in words is "one hundred twenty-five million, three hundred seventy thousand, five hundred five".