5186870121 has 16 divisors (see below), whose sum is σ = 7178382848. Its totient is φ = 3327868800.

The previous prime is 5186870111. The next prime is 5186870147. The reversal of 5186870121 is 1210786815.

It is not a de Polignac number, because 5186870121 - 2⁵ = 5186870089 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5186870121.

It is not an unprimeable number, because it can be changed into a prime (5186870111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137236 + ... + 170901.

It is an arithmetic number, because the mean of its divisors is an integer number (448648928).

Almost surely, 2^5186870121 is an apocalyptic number.

It is an amenable number.

5186870121 is a deficient number, since it is larger than the sum of its proper divisors (1991512727).

5186870121 is a wasteful number, since it uses less digits than its factorization.

5186870121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308352.

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 5186870121 is about 72019.9286378430. The cubic root of 5186870121 is about 1731.0188259647.

The spelling of 5186870121 in words is "five billion, one hundred eighty-six million, eight hundred seventy thousand, one hundred twenty-one".