3121240001 has 32 divisors (see below), whose sum is σ = 3779654400. Its totient is φ = 2542510080.

The previous prime is 3121239971. The next prime is 3121240019. The reversal of 3121240001 is 1000421213.

It is not a de Polignac number, because 3121240001 - 2¹⁴ = 3121223617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121240081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983345 + ... + 986513.

It is an arithmetic number, because the mean of its divisors is an integer number (118114200).

Almost surely, 2^3121240001 is an apocalyptic number.

It is an amenable number.

3121240001 is a deficient number, since it is larger than the sum of its proper divisors (658414399).

3121240001 is a wasteful number, since it uses less digits than its factorization.

3121240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3121240001 is about 55868.0588619293. The cubic root of 3121240001 is about 1461.4222709107.

Adding to 3121240001 its reverse (1000421213), we get a palindrome (4121661214).

The spelling of 3121240001 in words is "three billion, one hundred twenty-one million, two hundred forty thousand, one".