1202120131 has 2 divisors, whose sum is σ = 1202120132. Its totient is φ = 1202120130.

The previous prime is 1202120119. The next prime is 1202120141. The reversal of 1202120131 is 1310212021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202120131 is a prime.

It is a super-2 number, since 2×1202120131² = 2890185618710914322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1202120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060065 + 601060066.

It is an arithmetic number, because the mean of its divisors is an integer number (601060066).

Almost surely, 2^1202120131 is an apocalyptic number.

1202120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202120131 is an equidigital number, since it uses as much as digits as its factorization.

1202120131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1202120131 is about 34671.6041019160. The cubic root of 1202120131 is about 1063.2840274719.

Adding to 1202120131 its reverse (1310212021), we get a palindrome (2512332152).

The spelling of 1202120131 in words is "one billion, two hundred two million, one hundred twenty thousand, one hundred thirty-one".