1040120131 has 2 divisors, whose sum is σ = 1040120132. Its totient is φ = 1040120130.

The previous prime is 1040120111. The next prime is 1040120141. The reversal of 1040120131 is 1310210401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040120131 is a prime.

It is a super-2 number, since 2×1040120131² = 2163699773822914322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520060065 + 520060066.

It is an arithmetic number, because the mean of its divisors is an integer number (520060066).

Almost surely, 2^1040120131 is an apocalyptic number.

1040120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040120131 is an equidigital number, since it uses as much as digits as its factorization.

1040120131 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 1040120131 is about 32250.8934914988. The cubic root of 1040120131 is about 1013.1984125273.

Adding to 1040120131 its reverse (1310210401), we get a palindrome (2350330532).

The spelling of 1040120131 in words is "one billion, forty million, one hundred twenty thousand, one hundred thirty-one".