123866764 has 24 divisors (see below), whose sum is σ = 247976960. Its totient is φ = 53033616.

The previous prime is 123866759. The next prime is 123866803. The reversal of 123866764 is 467668321.

It is a self number, because there is not a number n which added to its sum of digits gives 123866764.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44197 + ... + 46915.

Almost surely, 2^123866764 is an apocalyptic number.

123866764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123866764 is an abundant number, since it is smaller than the sum of its proper divisors (124110196).

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

123866764 is a wasteful number, since it uses less digits than its factorization.

123866764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357 (or 4355 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 123866764 is about 11129.5446447732. The cubic root of 123866764 is about 498.4844293998.

The spelling of 123866764 in words is "one hundred twenty-three million, eight hundred sixty-six thousand, seven hundred sixty-four".