123988960 has 24 divisors (see below), whose sum is σ = 292924296. Its totient is φ = 49595520.

The previous prime is 123988951. The next prime is 123989017. The reversal of 123988960 is 69889321.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 123988960.

It is a congruent number.

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, 387306 + ... + 387625.

It is an arithmetic number, because the mean of its divisors is an integer number (12205179).

Almost surely, 2^123988960 is an apocalyptic number.

123988960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123988960 is an abundant number, since it is smaller than the sum of its proper divisors (168935336).

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

123988960 is an equidigital number, since it uses as much as digits as its factorization.

123988960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774946 (or 774938 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 123988960 is about 11135.0330039924. The cubic root of 123988960 is about 498.6482957509.

The spelling of 123988960 in words is "one hundred twenty-three million, nine hundred eighty-eight thousand, nine hundred sixty".