1120020131 has 2 divisors, whose sum is σ = 1120020132. Its totient is φ = 1120020130.

The previous prime is 1120020127. The next prime is 1120020149. The reversal of 1120020131 is 1310200211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120020131 - 2² = 1120020127 is a prime.

It is a super-2 number, since 2×1120020131² = 2508890187690514322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1120020331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010065 + 560010066.

It is an arithmetic number, because the mean of its divisors is an integer number (560010066).

Almost surely, 2^1120020131 is an apocalyptic number.

1120020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120020131 is an equidigital number, since it uses as much as digits as its factorization.

1120020131 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 11.

The square root of 1120020131 is about 33466.7018243507. The cubic root of 1120020131 is about 1038.5050423626.

Adding to 1120020131 its reverse (1310200211), we get a palindrome (2430220342).

The spelling of 1120020131 in words is "one billion, one hundred twenty million, twenty thousand, one hundred thirty-one".