1240466131 has 2 divisors, whose sum is σ = 1240466132. Its totient is φ = 1240466130.

The previous prime is 1240466119. The next prime is 1240466173. The reversal of 1240466131 is 1316640421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240466131 - 2⁵ = 1240466099 is a prime.

It is a super-2 number, since 2×1240466131² = 3077512444316218322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1240466131.

It is not a weakly prime, because it can be changed into another prime (1240466191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620233065 + 620233066.

It is an arithmetic number, because the mean of its divisors is an integer number (620233066).

Almost surely, 2^1240466131 is an apocalyptic number.

1240466131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240466131 is an equidigital number, since it uses as much as digits as its factorization.

1240466131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1240466131 is about 35220.2517168745. The cubic root of 1240466131 is about 1074.4716728912.

The spelling of 1240466131 in words is "one billion, two hundred forty million, four hundred sixty-six thousand, one hundred thirty-one".