3120140121 has 24 divisors (see below), whose sum is σ = 4889314080. Its totient is φ = 1764548352.

The previous prime is 3120140117. The next prime is 3120140123. The reversal of 3120140121 is 1210410213.

It is not a de Polignac number, because 3120140121 - 2² = 3120140117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3120140121.

It is not an unprimeable number, because it can be changed into a prime (3120140123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95151 + ... + 123668.

It is an arithmetic number, because the mean of its divisors is an integer number (203721420).

Almost surely, 2^3120140121 is an apocalyptic number.

It is an amenable number.

3120140121 is a deficient number, since it is larger than the sum of its proper divisors (1769173959).

3120140121 is a wasteful number, since it uses less digits than its factorization.

3120140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218933 (or 218926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3120140121 is about 55858.2144451467. The cubic root of 3120140121 is about 1461.2505893600.

Adding to 3120140121 its reverse (1210410213), we get a palindrome (4330550334).

The spelling of 3120140121 in words is "three billion, one hundred twenty million, one hundred forty thousand, one hundred twenty-one".