3121054120 has 16 divisors (see below), whose sum is σ = 7022371860. Its totient is φ = 1248421632.

The previous prime is 3121054117. The next prime is 3121054127. The reversal of 3121054120 is 214501213.

It can be written as a sum of positive squares in 2 ways, for example, as 3013351236 + 107702884 = 54894^2 + 10378^2 .

It is not an unprimeable number, because it can be changed into a prime (3121054127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39013137 + ... + 39013216.

Almost surely, 2^3121054120 is an apocalyptic number.

It is an amenable number.

3121054120 is an abundant number, since it is smaller than the sum of its proper divisors (3901317740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121054120 is a wasteful number, since it uses less digits than its factorization.

3121054120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78026364 (or 78026360 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3121054120 is about 55866.3952658483. The cubic root of 3121054120 is about 1461.3932593613.

Adding to 3121054120 its reverse (214501213), we get a palindrome (3335555333).

The spelling of 3121054120 in words is "three billion, one hundred twenty-one million, fifty-four thousand, one hundred twenty".