3155152121 has 32 divisors (see below), whose sum is σ = 3751142400. Its totient is φ = 2623593280.

The previous prime is 3155152093. The next prime is 3155152129. The reversal of 3155152121 is 1212515513.

It is not a de Polignac number, because 3155152121 - 2⁶ = 3155152057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3155152129) 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 31 ways as a sum of consecutive naturals, for example, 783050 + ... + 787068.

It is an arithmetic number, because the mean of its divisors is an integer number (117223200).

Almost surely, 2^3155152121 is an apocalyptic number.

It is an amenable number.

3155152121 is a deficient number, since it is larger than the sum of its proper divisors (595990279).

3155152121 is a wasteful number, since it uses less digits than its factorization.

3155152121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189.

The product of its digits is 1500, while the sum is 26.

The square root of 3155152121 is about 56170.7407909136. The cubic root of 3155152121 is about 1466.6959777602.

Adding to 3155152121 its reverse (1212515513), we get a palindrome (4367667634).

The spelling of 3155152121 in words is "three billion, one hundred fifty-five million, one hundred fifty-two thousand, one hundred twenty-one".