125520502 has 16 divisors (see below), whose sum is σ = 193667760. Its totient is φ = 60969888.

The previous prime is 125520491. The next prime is 125520509. The reversal of 125520502 is 205025521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125520509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87124 + ... + 88552.

It is an arithmetic number, because the mean of its divisors is an integer number (12104235).

Almost surely, 2^125520502 is an apocalyptic number.

125520502 is a deficient number, since it is larger than the sum of its proper divisors (68147258).

125520502 is a wasteful number, since it uses less digits than its factorization.

125520502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 125520502 is about 11203.5932628778. The cubic root of 125520502 is about 500.6930416095.

The spelling of 125520502 in words is "one hundred twenty-five million, five hundred twenty thousand, five hundred two".