120481640 has 16 divisors (see below), whose sum is σ = 271083780. Its totient is φ = 48192640.

The previous prime is 120481637. The next prime is 120481661. The reversal of 120481640 is 46184021.

It can be written as a sum of positive squares in 2 ways, for example, as 120253156 + 228484 = 10966^2 + 478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505981 + ... + 1506060.

Almost surely, 2^120481640 is an apocalyptic number.

120481640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120481640 is an abundant number, since it is smaller than the sum of its proper divisors (150602140).

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

120481640 is a wasteful number, since it uses less digits than its factorization.

120481640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012052 (or 3012048 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 120481640 is about 10976.4128931086. The cubic root of 120481640 is about 493.9014374983.

It can be divided in two parts, 120481 and 640, that added together give a palindrome (121121).

The spelling of 120481640 in words is "one hundred twenty million, four hundred eighty-one thousand, six hundred forty".