123912655 has 8 divisors (see below), whose sum is σ = 151133184. Its totient is φ = 97504800.

The previous prime is 123912647. The next prime is 123912671. The reversal of 123912655 is 556219321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123912655 - 2³ = 123912647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123912655.

It is a congruent number.

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, 202831 + ... + 203440.

It is an arithmetic number, because the mean of its divisors is an integer number (18891648).

Almost surely, 2^123912655 is an apocalyptic number.

123912655 is a deficient number, since it is larger than the sum of its proper divisors (27220529).

123912655 is an equidigital number, since it uses as much as digits as its factorization.

123912655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406337.

The product of its digits is 16200, while the sum is 34.

The square root of 123912655 is about 11131.6061284974. The cubic root of 123912655 is about 498.5459824312.

The spelling of 123912655 in words is "one hundred twenty-three million, nine hundred twelve thousand, six hundred fifty-five".