123735056 has 20 divisors (see below), whose sum is σ = 241939500. Its totient is φ = 61299072.

The previous prime is 123735041. The next prime is 123735071. The reversal of 123735056 is 650537321.

It is an interprime number because it is at equal distance from previous prime (123735041) and next prime (123735071).

It can be written as a sum of positive squares in 2 ways, for example, as 89113600 + 34621456 = 9440^2 + 5884^2 .

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, 33731 + ... + 37218.

It is an arithmetic number, because the mean of its divisors is an integer number (12096975).

Almost surely, 2^123735056 is an apocalyptic number.

123735056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123735056 is a deficient number, since it is larger than the sum of its proper divisors (118204444).

123735056 is a wasteful number, since it uses less digits than its factorization.

123735056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71066 (or 71060 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 123735056 is about 11123.6260275146. The cubic root of 123735056 is about 498.3076866130.

The spelling of 123735056 in words is "one hundred twenty-three million, seven hundred thirty-five thousand, fifty-six".