120432660 has 48 divisors (see below), whose sum is σ = 337852032. Its totient is φ = 32054400.

The previous prime is 120432649. The next prime is 120432661. The reversal of 120432660 is 66234021.

It is a self number, because there is not a number n which added to its sum of digits gives 120432660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120432661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36270 + ... + 39450.

It is an arithmetic number, because the mean of its divisors is an integer number (7038584).

Almost surely, 2^120432660 is an apocalyptic number.

120432660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120432660 is an abundant number, since it is smaller than the sum of its proper divisors (217419372).

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

120432660 is a wasteful number, since it uses less digits than its factorization.

120432660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 120432660 is about 10974.1815184550. The cubic root of 120432660 is about 493.8344990243.

Adding to 120432660 its reverse (66234021), we get a palindrome (186666681).

The spelling of 120432660 in words is "one hundred twenty million, four hundred thirty-two thousand, six hundred sixty".