123746928 has 20 divisors (see below), whose sum is σ = 319679688. Its totient is φ = 41248960.

The previous prime is 123746881. The next prime is 123746933. The reversal of 123746928 is 829647321.

It is a self number, because there is not a number n which added to its sum of digits gives 123746928.

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, 1288983 + ... + 1289078.

Almost surely, 2^123746928 is an apocalyptic number.

It is an amenable number.

123746928 is an abundant number, since it is smaller than the sum of its proper divisors (195932760).

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

123746928 is a wasteful number, since it uses less digits than its factorization.

123746928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578072 (or 2578066 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 123746928 is about 11124.1596536547. The cubic root of 123746928 is about 498.3236231359.

The spelling of 123746928 in words is "one hundred twenty-three million, seven hundred forty-six thousand, nine hundred twenty-eight".