123988896 has 36 divisors (see below), whose sum is σ = 352594242. Its totient is φ = 41329536.

The previous prime is 123988859. The next prime is 123988901. The reversal of 123988896 is 698889321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92852496 + 31136400 = 9636^2 + 5580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214971 + ... + 215546.

Almost surely, 2^123988896 is an apocalyptic number.

123988896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123988896 is an abundant number, since it is smaller than the sum of its proper divisors (228605346).

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

123988896 is a wasteful number, since it uses less digits than its factorization.

123988896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430533 (or 430522 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 123988896 is about 11135.0301301793. The cubic root of 123988896 is about 498.6482099542.

The spelling of 123988896 in words is "one hundred twenty-three million, nine hundred eighty-eight thousand, eight hundred ninety-six".