123901056 has 64 divisors (see below), whose sum is σ = 365690400. Its totient is φ = 41299200.

The previous prime is 123901051. The next prime is 123901067. The reversal of 123901056 is 650109321.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×123901056³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123901051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14470 + ... + 21381.

Almost surely, 2^123901056 is an apocalyptic number.

123901056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123901056 is an abundant number, since it is smaller than the sum of its proper divisors (241789344).

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

123901056 is an equidigital number, since it uses as much as digits as its factorization.

123901056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874 (or 35856 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 123901056 is about 11131.0851223050. The cubic root of 123901056 is about 498.5304262711.

The spelling of 123901056 in words is "one hundred twenty-three million, nine hundred one thousand, fifty-six".