123971255 has 8 divisors (see below), whose sum is σ = 148874112. Its totient is φ = 99104608.

The previous prime is 123971251. The next prime is 123971261. The reversal of 123971255 is 552179321.

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

It is a cyclic number.

It is not a de Polignac number, because 123971255 - 2² = 123971251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123971251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (18609264).

Almost surely, 2^123971255 is an apocalyptic number.

123971255 is a deficient number, since it is larger than the sum of its proper divisors (24902857).

123971255 is a wasteful number, since it uses less digits than its factorization.

123971255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18105.

The product of its digits is 18900, while the sum is 35.

The square root of 123971255 is about 11134.2379622496. The cubic root of 123971255 is about 498.6245597980.

The spelling of 123971255 in words is "one hundred twenty-three million, nine hundred seventy-one thousand, two hundred fifty-five".