125052660 has 108 divisors (see below), whose sum is σ = 394309188. Its totient is φ = 33312384.

The previous prime is 125052659. The next prime is 125052671. The reversal of 125052660 is 66250521.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 76527504 = 6966^2 + 8748^2 .

It is a tau number, because it is divible by the number of its divisors (108).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130744 + ... + 131696.

It is an arithmetic number, because the mean of its divisors is an integer number (3651011).

Almost surely, 2^125052660 is an apocalyptic number.

125052660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125052660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197154594).

125052660 is an abundant number, since it is smaller than the sum of its proper divisors (269256528).

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

125052660 is an frugal number, since it uses more digits than its factorization.

125052660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 125052660 is about 11182.6946663137. The cubic root of 125052660 is about 500.0702034758.

The spelling of 125052660 in words is "one hundred twenty-five million, fifty-two thousand, six hundred sixty".