3023121987 has 16 divisors (see below), whose sum is σ = 4481218560. Its totient is φ = 2014281000.

The previous prime is 3023121967. The next prime is 3023122013. The reversal of 3023121987 is 7891213203.

It is not a de Polignac number, because 3023121987 - 2¹⁰ = 3023120963 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3023121967) 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, 18862 + ... + 80012.

It is an arithmetic number, because the mean of its divisors is an integer number (280076160).

Almost surely, 2^3023121987 is an apocalyptic number.

3023121987 is a deficient number, since it is larger than the sum of its proper divisors (1458096573).

3023121987 is a wasteful number, since it uses less digits than its factorization.

3023121987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62991 (or 62985 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 3023121987 is about 54982.9245038857. The cubic root of 3023121987 is about 1445.9453888571.

It can be divided in two parts, 302 and 3121987, that added together give a square (3122289 = 1767²).

The spelling of 3023121987 in words is "three billion, twenty-three million, one hundred twenty-one thousand, nine hundred eighty-seven".