125222510 has 32 divisors (see below), whose sum is σ = 272756160. Its totient is φ = 40407552.

The previous prime is 125222477. The next prime is 125222593. The reversal of 125222510 is 15222521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51425 + ... + 53804.

It is an arithmetic number, because the mean of its divisors is an integer number (8523630).

Almost surely, 2^125222510 is an apocalyptic number.

125222510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125222510 is an abundant number, since it is smaller than the sum of its proper divisors (147533650).

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

125222510 is a wasteful number, since it uses less digits than its factorization.

125222510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105260.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125222510 is about 11190.2864127778. The cubic root of 125222510 is about 500.2965041358.

The spelling of 125222510 in words is "one hundred twenty-five million, two hundred twenty-two thousand, five hundred ten".