1040234999 has 4 divisors (see below), whose sum is σ = 1044282864. Its totient is φ = 1036187136.

The previous prime is 1040234969. The next prime is 1040235011. The reversal of 1040234999 is 9994320401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9994320401 = 13 ⋅768793877.

It is a cyclic number.

It is not a de Polignac number, because 1040234999 - 2²⁸ = 771799543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040234929) 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 in 3 ways as a sum of consecutive naturals, for example, 2023547 + ... + 2024060.

It is an arithmetic number, because the mean of its divisors is an integer number (261070716).

Almost surely, 2^1040234999 is an apocalyptic number.

1040234999 is a deficient number, since it is larger than the sum of its proper divisors (4047865).

1040234999 is an equidigital number, since it uses as much as digits as its factorization.

1040234999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047864.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1040234999 is about 32252.6742922196. The cubic root of 1040234999 is about 1013.2357094342.

The spelling of 1040234999 in words is "one billion, forty million, two hundred thirty-four thousand, nine hundred ninety-nine".