125005057 has 8 divisors (see below), whose sum is σ = 125870976. Its totient is φ = 124142592.

The previous prime is 125005019. The next prime is 125005061. The reversal of 125005057 is 750500521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125005057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125009057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128788 + ... + 129754.

It is an arithmetic number, because the mean of its divisors is an integer number (15733872).

Almost surely, 2^125005057 is an apocalyptic number.

It is an amenable number.

125005057 is a deficient number, since it is larger than the sum of its proper divisors (865919).

125005057 is an equidigital number, since it uses as much as digits as its factorization.

125005057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 125005057 is about 11180.5660411269. The cubic root of 125005057 is about 500.0067425757.

Adding to 125005057 its reverse (750500521), we get a palindrome (875505578).

The spelling of 125005057 in words is "one hundred twenty-five million, five thousand, fifty-seven".