125212502 has 4 divisors (see below), whose sum is σ = 187818756. Its totient is φ = 62606250.

The previous prime is 125212453. The next prime is 125212511. The reversal of 125212502 is 205212521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31303124 + ... + 31303127.

It is an arithmetic number, because the mean of its divisors is an integer number (46954689).

Almost surely, 2^125212502 is an apocalyptic number.

125212502 is a deficient number, since it is larger than the sum of its proper divisors (62606254).

125212502 is an equidigital number, since it uses as much as digits as its factorization.

125212502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62606253.

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

The square root of 125212502 is about 11189.8392303017. The cubic root of 125212502 is about 500.2831755929.

The spelling of 125212502 in words is "one hundred twenty-five million, two hundred twelve thousand, five hundred two".