123877056 has 56 divisors (see below), whose sum is σ = 331947520. Its totient is φ = 40764672.

The previous prime is 123877021. The next prime is 123877097. The reversal of 123877056 is 650778321.

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, 11085 + ... + 19251.

Almost surely, 2^123877056 is an apocalyptic number.

123877056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123877056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165973760).

123877056 is an abundant number, since it is smaller than the sum of its proper divisors (208070464).

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

123877056 is an equidigital number, since it uses as much as digits as its factorization.

123877056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261 (or 8251 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 123877056 is about 11130.0070080840. The cubic root of 123877056 is about 498.4982352545.

The spelling of 123877056 in words is "one hundred twenty-three million, eight hundred seventy-seven thousand, fifty-six".