125109980 has 24 divisors (see below), whose sum is σ = 265286112. Its totient is φ = 49557312.

The previous prime is 125109979. The next prime is 125110019. The reversal of 125109980 is 89901521.

It is a self number, because there is not a number n which added to its sum of digits gives 125109980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28307 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (11053588).

Almost surely, 2^125109980 is an apocalyptic number.

125109980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125109980 is an abundant number, since it is smaller than the sum of its proper divisors (140176132).

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

125109980 is a wasteful number, since it uses less digits than its factorization.

125109980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60845 (or 60843 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 125109980 is about 11185.2572612345. The cubic root of 125109980 is about 500.1465970144.

The spelling of 125109980 in words is "one hundred twenty-five million, one hundred nine thousand, nine hundred eighty".