3120740871 has 16 divisors (see below), whose sum is σ = 4316444160. Its totient is φ = 2004050880.

The previous prime is 3120740863. The next prime is 3120740873. The reversal of 3120740871 is 1780470213.

It is a happy number.

It is not a de Polignac number, because 3120740871 - 2³ = 3120740863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120740873) 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, 150865 + ... + 170298.

It is an arithmetic number, because the mean of its divisors is an integer number (269777760).

Almost surely, 2^3120740871 is an apocalyptic number.

3120740871 is a deficient number, since it is larger than the sum of its proper divisors (1195703289).

3120740871 is a wasteful number, since it uses less digits than its factorization.

3120740871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321286.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 3120740871 is about 55863.5916407100. The cubic root of 3120740871 is about 1461.3443661268.

The spelling of 3120740871 in words is "three billion, one hundred twenty million, seven hundred forty thousand, eight hundred seventy-one".