120563660 has 96 divisors (see below), whose sum is σ = 309173760. Its totient is φ = 38550528.

The previous prime is 120563627. The next prime is 120563693. The reversal of 120563660 is 66365021.

It is an interprime number because it is at equal distance from previous prime (120563627) and next prime (120563693).

It is a super-2 number, since 2×120563660² = 29071192225191200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425879 + ... + 426161.

It is an arithmetic number, because the mean of its divisors is an integer number (3220560).

Almost surely, 2^120563660 is an apocalyptic number.

120563660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120563660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154586880).

120563660 is an abundant number, since it is smaller than the sum of its proper divisors (188610100).

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

120563660 is a wasteful number, since it uses less digits than its factorization.

120563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 120563660 is about 10980.1484507269. The cubic root of 120563660 is about 494.0134894446.

The spelling of 120563660 in words is "one hundred twenty million, five hundred sixty-three thousand, six hundred sixty".