125761320 has 48 divisors (see below), whose sum is σ = 408725460. Its totient is φ = 33536256.

The previous prime is 125761319. The next prime is 125761343. The reversal of 125761320 is 23167521.

It is a happy number.

125761320 is a `hidden beast` number, since 1 + 25 + 7 + 613 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122279364 + 3481956 = 11058^2 + 1866^2 .

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, 174309 + ... + 175028.

Almost surely, 2^125761320 is an apocalyptic number.

125761320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125761320 is an abundant number, since it is smaller than the sum of its proper divisors (282964140).

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

125761320 is a wasteful number, since it uses less digits than its factorization.

125761320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349354 (or 349347 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 125761320 is about 11214.3354684975. The cubic root of 125761320 is about 501.0130394493.

The spelling of 125761320 in words is "one hundred twenty-five million, seven hundred sixty-one thousand, three hundred twenty".