123260056 has 8 divisors (see below), whose sum is σ = 231112620. Its totient is φ = 61630024.

The previous prime is 123260051. The next prime is 123260083. The reversal of 123260056 is 650062321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 123260056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123260051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7703746 + ... + 7703761.

Almost surely, 2^123260056 is an apocalyptic number.

It is an amenable number.

123260056 is a deficient number, since it is larger than the sum of its proper divisors (107852564).

123260056 is a wasteful number, since it uses less digits than its factorization.

123260056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15407513 (or 15407509 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 123260056 is about 11102.2545458119. The cubic root of 123260056 is about 497.6692265394.

The spelling of 123260056 in words is "one hundred twenty-three million, two hundred sixty thousand, fifty-six".