125311660 has 24 divisors (see below), whose sum is σ = 263639376. Its totient is φ = 50032320.

The previous prime is 125311651. The next prime is 125311661. The reversal of 125311660 is 66113521.

It is not an unprimeable number, because it can be changed into a prime (125311661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5934 + ... + 16906.

It is an arithmetic number, because the mean of its divisors is an integer number (10984974).

Almost surely, 2^125311660 is an apocalyptic number.

125311660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125311660 is an abundant number, since it is smaller than the sum of its proper divisors (138327716).

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

125311660 is a wasteful number, since it uses less digits than its factorization.

125311660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553 (or 11551 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 125311660 is about 11194.2690694837. The cubic root of 125311660 is about 500.4152017862.

The spelling of 125311660 in words is "one hundred twenty-five million, three hundred eleven thousand, six hundred sixty".