3123461621 has 8 divisors (see below), whose sum is σ = 3591047040. Its totient is φ = 2661220368.

The previous prime is 3123461611. The next prime is 3123461647. The reversal of 3123461621 is 1261643213.

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 3123461621 - 2⁶ = 3123461557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123461611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334786 + ... + 1337123.

It is an arithmetic number, because the mean of its divisors is an integer number (448880880).

Almost surely, 2^3123461621 is an apocalyptic number.

It is an amenable number.

3123461621 is a deficient number, since it is larger than the sum of its proper divisors (467585419).

3123461621 is a wasteful number, since it uses less digits than its factorization.

3123461621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672083.

The product of its digits is 5184, while the sum is 29.

The square root of 3123461621 is about 55887.9380635929. The cubic root of 3123461621 is about 1461.7689231960.

The spelling of 3123461621 in words is "three billion, one hundred twenty-three million, four hundred sixty-one thousand, six hundred twenty-one".