123272586 has 12 divisors (see below), whose sum is σ = 267090642. Its totient is φ = 41090856.

The previous prime is 123272581. The next prime is 123272603. The reversal of 123272586 is 685272321.

123272586 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 72 + 586 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90611361 + 32661225 = 9519^2 + 5715^2 .

It is a super-2 number, since 2×123272586² = 30392260918254792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123272586.

It is not an unprimeable number, because it can be changed into a prime (123272581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3424221 + ... + 3424256.

Almost surely, 2^123272586 is an apocalyptic number.

123272586 is an abundant number, since it is smaller than the sum of its proper divisors (143818056).

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

123272586 is a wasteful number, since it uses less digits than its factorization.

123272586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848485 (or 6848482 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 123272586 is about 11102.8188312698. The cubic root of 123272586 is about 497.6860894884.

The spelling of 123272586 in words is "one hundred twenty-three million, two hundred seventy-two thousand, five hundred eighty-six".