120002131 has 2 divisors, whose sum is σ = 120002132. Its totient is φ = 120002130.

The previous prime is 120002117. The next prime is 120002143. The reversal of 120002131 is 131200021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120002131 is a prime.

It is a super-2 number, since 2×120002131² = 28801022889082322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001065 + 60001066.

It is an arithmetic number, because the mean of its divisors is an integer number (60001066).

Almost surely, 2^120002131 is an apocalyptic number.

120002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002131 is an equidigital number, since it uses as much as digits as its factorization.

120002131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120002131 is about 10954.5484160690. The cubic root of 120002131 is about 493.2453345699.

Adding to 120002131 its reverse (131200021), we get a palindrome (251202152).

The spelling of 120002131 in words is "one hundred twenty million, two thousand, one hundred thirty-one".