1040434999 has 2 divisors, whose sum is σ = 1040435000. Its totient is φ = 1040434998.

The previous prime is 1040434939. The next prime is 1040435017. The reversal of 1040434999 is 9994340401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040434999 - 2²³ = 1032046391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040434939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520217499 + 520217500.

It is an arithmetic number, because the mean of its divisors is an integer number (520217500).

Almost surely, 2^1040434999 is an apocalyptic number.

1040434999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040434999 is an equidigital number, since it uses as much as digits as its factorization.

1040434999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1040434999 is about 32255.7746612913. The cubic root of 1040434999 is about 1013.3006416070.

The spelling of 1040434999 in words is "one billion, forty million, four hundred thirty-four thousand, nine hundred ninety-nine".