125149680 has 60 divisors (see below), whose sum is σ = 420296760. Its totient is φ = 33373056.

The previous prime is 125149643. The next prime is 125149709. The reversal of 125149680 is 86941521.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86190 + ... + 87629.

It is an arithmetic number, because the mean of its divisors is an integer number (7004946).

Almost surely, 2^125149680 is an apocalyptic number.

125149680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125149680 is an abundant number, since it is smaller than the sum of its proper divisors (295147080).

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

125149680 is a wasteful number, since it uses less digits than its factorization.

125149680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173838 (or 173829 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 125149680 is about 11187.0317779114. The cubic root of 125149680 is about 500.1994937273.

The spelling of 125149680 in words is "one hundred twenty-five million, one hundred forty-nine thousand, six hundred eighty".