124347673221 has 16 divisors (see below), whose sum is σ = 175715189568. Its totient is φ = 77948499200.

The previous prime is 124347673213. The next prime is 124347673273. The reversal of 124347673221 is 122376743421.

It is a cyclic number.

It is not a de Polignac number, because 124347673221 - 2³ = 124347673213 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124347673921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094895 + ... + 1203116.

It is an arithmetic number, because the mean of its divisors is an integer number (10982199348).

Almost surely, 2^124347673221 is an apocalyptic number.

It is an amenable number.

124347673221 is a deficient number, since it is larger than the sum of its proper divisors (51367516347).

124347673221 is a wasteful number, since it uses less digits than its factorization.

124347673221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299092.

The product of its digits is 338688, while the sum is 42.

The spelling of 124347673221 in words is "one hundred twenty-four billion, three hundred forty-seven million, six hundred seventy-three thousand, two hundred twenty-one".