120425990 has 24 divisors (see below), whose sum is σ = 228782880. Its totient is φ = 45633744.

The previous prime is 120425923. The next prime is 120425993. The reversal of 120425990 is 99524021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120425993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13070 + ... + 20289.

It is an arithmetic number, because the mean of its divisors is an integer number (9532620).

Almost surely, 2^120425990 is an apocalyptic number.

120425990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120425990 is a deficient number, since it is larger than the sum of its proper divisors (108356890).

120425990 is a wasteful number, since it uses less digits than its factorization.

120425990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404 (or 33385 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 120425990 is about 10973.8776191463. The cubic root of 120425990 is about 493.8253820707.

The spelling of 120425990 in words is "one hundred twenty million, four hundred twenty-five thousand, nine hundred ninety".