3121642401 has 8 divisors (see below), whose sum is σ = 4192134240. Its totient is φ = 2066122752.

The previous prime is 3121642369. The next prime is 3121642421. The reversal of 3121642401 is 1042461213.

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

It is not a de Polignac number, because 3121642401 - 2⁵ = 3121642369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121642421) 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, 3742560 + ... + 3743393.

It is an arithmetic number, because the mean of its divisors is an integer number (524016780).

Almost surely, 2^3121642401 is an apocalyptic number.

It is an amenable number.

3121642401 is a deficient number, since it is larger than the sum of its proper divisors (1070491839).

3121642401 is a wasteful number, since it uses less digits than its factorization.

3121642401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486095.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3121642401 is about 55871.6600880983. The cubic root of 3121642401 is about 1461.4850719184.

The spelling of 3121642401 in words is "three billion, one hundred twenty-one million, six hundred forty-two thousand, four hundred one".