125212668 has 24 divisors (see below), whose sum is σ = 333900672. Its totient is φ = 35775024.

The previous prime is 125212663. The next prime is 125212697. The reversal of 125212668 is 866212521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125212663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 745230 + ... + 745397.

It is an arithmetic number, because the mean of its divisors is an integer number (13912528).

Almost surely, 2^125212668 is an apocalyptic number.

It is an amenable number.

125212668 is an abundant number, since it is smaller than the sum of its proper divisors (208688004).

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

125212668 is a wasteful number, since it uses less digits than its factorization.

125212668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490641 (or 1490639 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 125212668 is about 11189.8466477428. The cubic root of 125212668 is about 500.2833966756.

The spelling of 125212668 in words is "one hundred twenty-five million, two hundred twelve thousand, six hundred sixty-eight".