1042803491 has 2 divisors, whose sum is σ = 1042803492. Its totient is φ = 1042803490.

The previous prime is 1042803413. The next prime is 1042803493. The reversal of 1042803491 is 1943082401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042803491 - 2¹⁴ = 1042787107 is a prime.

Together with 1042803493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1042803493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521401745 + 521401746.

It is an arithmetic number, because the mean of its divisors is an integer number (521401746).

Almost surely, 2^1042803491 is an apocalyptic number.

1042803491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042803491 is an equidigital number, since it uses as much as digits as its factorization.

1042803491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1042803491 is about 32292.4680227449. The cubic root of 1042803491 is about 1014.0689662707.

Adding to 1042803491 its reverse (1943082401), we get a palindrome (2985885892).

The spelling of 1042803491 in words is "one billion, forty-two million, eight hundred three thousand, four hundred ninety-one".