3124220639 has 8 divisors (see below), whose sum is σ = 3171335712. Its totient is φ = 3077222400.

The previous prime is 3124220587. The next prime is 3124220647. The reversal of 3124220639 is 9360224213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3124220639 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 (3124220669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25439 + ... + 83039.

It is an arithmetic number, because the mean of its divisors is an integer number (396416964).

Almost surely, 2^3124220639 is an apocalyptic number.

3124220639 is a deficient number, since it is larger than the sum of its proper divisors (47115073).

3124220639 is an equidigital number, since it uses as much as digits as its factorization.

3124220639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58417.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3124220639 is about 55894.7281861179. The cubic root of 3124220639 is about 1461.8873195138.

The spelling of 3124220639 in words is "three billion, one hundred twenty-four million, two hundred twenty thousand, six hundred thirty-nine".