125031120 has 40 divisors (see below), whose sum is σ = 387597216. Its totient is φ = 33341568.

The previous prime is 125031097. The next prime is 125031121. The reversal of 125031120 is 21130521.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 125031120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125031121) 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, 260242 + ... + 260721.

Almost surely, 2^125031120 is an apocalyptic number.

125031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125031120 is an abundant number, since it is smaller than the sum of its proper divisors (262566096).

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

125031120 is a wasteful number, since it uses less digits than its factorization.

125031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520979 (or 520973 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 125031120 is about 11181.7315295977. The cubic root of 125031120 is about 500.0414898904.

Adding to 125031120 its reverse (21130521), we get a palindrome (146161641).

The spelling of 125031120 in words is "one hundred twenty-five million, thirty-one thousand, one hundred twenty".