1040322043 has 4 divisors (see below), whose sum is σ = 1057954680. Its totient is φ = 1022689408.

The previous prime is 1040322013. The next prime is 1040322061. The reversal of 1040322043 is 3402230401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040322043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040322043.

It is not an unprimeable number, because it can be changed into a prime (1040322013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8816230 + ... + 8816347.

It is an arithmetic number, because the mean of its divisors is an integer number (264488670).

Almost surely, 2^1040322043 is an apocalyptic number.

1040322043 is a deficient number, since it is larger than the sum of its proper divisors (17632637).

1040322043 is an equidigital number, since it uses as much as digits as its factorization.

1040322043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632636.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1040322043 is about 32254.0236714739. The cubic root of 1040322043 is about 1013.2639702373.

Adding to 1040322043 its reverse (3402230401), we get a palindrome (4442552444).

The spelling of 1040322043 in words is "one billion, forty million, three hundred twenty-two thousand, forty-three".