125787120 has 40 divisors (see below), whose sum is σ = 389940816. Its totient is φ = 33543168.

The previous prime is 125787113. The next prime is 125787127. The reversal of 125787120 is 21787521.

It is an interprime number because it is at equal distance from previous prime (125787113) and next prime (125787127).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125787127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261817 + ... + 262296.

Almost surely, 2^125787120 is an apocalyptic number.

125787120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125787120 is an abundant number, since it is smaller than the sum of its proper divisors (264153696).

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

125787120 is a wasteful number, since it uses less digits than its factorization.

125787120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524129 (or 524123 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 125787120 is about 11215.4857228744. The cubic root of 125787120 is about 501.0472981350.

The spelling of 125787120 in words is "one hundred twenty-five million, seven hundred eighty-seven thousand, one hundred twenty".