1042636747 has 2 divisors, whose sum is σ = 1042636748. Its totient is φ = 1042636746.

The previous prime is 1042636711. The next prime is 1042636753. The reversal of 1042636747 is 7476362401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042636747 - 2¹⁹ = 1042112459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042636447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521318373 + 521318374.

It is an arithmetic number, because the mean of its divisors is an integer number (521318374).

Almost surely, 2^1042636747 is an apocalyptic number.

1042636747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042636747 is an equidigital number, since it uses as much as digits as its factorization.

1042636747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 1042636747 is about 32289.8861410195. The cubic root of 1042636747 is about 1014.0149136038.

The spelling of 1042636747 in words is "one billion, forty-two million, six hundred thirty-six thousand, seven hundred forty-seven".