125540660 has 24 divisors (see below), whose sum is σ = 301297920. Its totient is φ = 43042464.

The previous prime is 125540659. The next prime is 125540689. The reversal of 125540660 is 66045521.

It is a congruent number.

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, 448220 + ... + 448499.

It is an arithmetic number, because the mean of its divisors is an integer number (12554080).

Almost surely, 2^125540660 is an apocalyptic number.

125540660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125540660 is an abundant number, since it is smaller than the sum of its proper divisors (175757260).

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

125540660 is a wasteful number, since it uses less digits than its factorization.

125540660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896735 (or 896733 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 125540660 is about 11204.4928488531. The cubic root of 125540660 is about 500.7198431543.

The spelling of 125540660 in words is "one hundred twenty-five million, five hundred forty thousand, six hundred sixty".