120249660 has 48 divisors (see below), whose sum is σ = 348314400. Its totient is φ = 30960384.

The previous prime is 120249659. The next prime is 120249673. The reversal of 120249660 is 66942021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32815 + ... + 36294.

It is an arithmetic number, because the mean of its divisors is an integer number (7256550).

Almost surely, 2^120249660 is an apocalyptic number.

120249660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120249660 is an abundant number, since it is smaller than the sum of its proper divisors (228064740).

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

120249660 is a wasteful number, since it uses less digits than its factorization.

120249660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69150 (or 69148 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 120249660 is about 10965.8405970541. The cubic root of 120249660 is about 493.5842415335.

The spelling of 120249660 in words is "one hundred twenty million, two hundred forty-nine thousand, six hundred sixty".