125021010 has 16 divisors (see below), whose sum is σ = 300050496. Its totient is φ = 33338928.

The previous prime is 125021003. The next prime is 125021023. The reversal of 125021010 is 10120521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083654 + ... + 2083713.

It is an arithmetic number, because the mean of its divisors is an integer number (18753156).

Almost surely, 2^125021010 is an apocalyptic number.

125021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125021010 is an abundant number, since it is smaller than the sum of its proper divisors (175029486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125021010 is a wasteful number, since it uses less digits than its factorization.

125021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167377.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 125021010 is about 11181.2794437846. The cubic root of 125021010 is about 500.0280117640.

Adding to 125021010 its reverse (10120521), we get a palindrome (135141531).

The spelling of 125021010 in words is "one hundred twenty-five million, twenty-one thousand, ten".