123201960 has 64 divisors (see below), whose sum is σ = 422409600. Its totient is φ = 28160256.

The previous prime is 123201959. The next prime is 123201973. The reversal of 123201960 is 69102321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123201960.

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, 72495 + ... + 74174.

It is an arithmetic number, because the mean of its divisors is an integer number (6600150).

Almost surely, 2^123201960 is an apocalyptic number.

123201960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123201960 is an abundant number, since it is smaller than the sum of its proper divisors (299207640).

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

123201960 is a wasteful number, since it uses less digits than its factorization.

123201960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146690 (or 146686 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 123201960 is about 11099.6378319295. The cubic root of 123201960 is about 497.5910256581.

The spelling of 123201960 in words is "one hundred twenty-three million, two hundred one thousand, nine hundred sixty".