3152616121 has 4 divisors (see below), whose sum is σ = 3183830244. Its totient is φ = 3121402000.

The previous prime is 3152616113. The next prime is 3152616127. The reversal of 3152616121 is 1216162513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1657711225 + 1494904896 = 40715^2 + 38664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3152616121 - 2³ = 3152616113 is a prime.

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 3152616121.

It is not an unprimeable number, because it can be changed into a prime (3152616127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15606910 + ... + 15607111.

It is an arithmetic number, because the mean of its divisors is an integer number (795957561).

Almost surely, 2^3152616121 is an apocalyptic number.

It is an amenable number.

3152616121 is a deficient number, since it is larger than the sum of its proper divisors (31214123).

3152616121 is a wasteful number, since it uses less digits than its factorization.

3152616121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31214122.

The product of its digits is 2160, while the sum is 28.

The square root of 3152616121 is about 56148.1622228190. The cubic root of 3152616121 is about 1466.3029129308.

Adding to 3152616121 its reverse (1216162513), we get a palindrome (4368778634).

The spelling of 3152616121 in words is "three billion, one hundred fifty-two million, six hundred sixteen thousand, one hundred twenty-one".