1146042631 has 2 divisors, whose sum is σ = 1146042632. Its totient is φ = 1146042630.

The previous prime is 1146042617. The next prime is 1146042649. The reversal of 1146042631 is 1362406411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1146042631 - 2¹¹ = 1146040583 is a prime.

It is a super-2 number, since 2×1146042631² = 2626827424138804322, 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 1146042631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146042431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573021315 + 573021316.

It is an arithmetic number, because the mean of its divisors is an integer number (573021316).

Almost surely, 2^1146042631 is an apocalyptic number.

1146042631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146042631 is an equidigital number, since it uses as much as digits as its factorization.

1146042631 is an evil number, because the sum of its binary digits is even.

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

The square root of 1146042631 is about 33853.2514095766. The cubic root of 1146042631 is about 1046.4864056048.

The spelling of 1146042631 in words is "one billion, one hundred forty-six million, forty-two thousand, six hundred thirty-one".