1303440079 has 2 divisors, whose sum is σ = 1303440080. Its totient is φ = 1303440078.

The previous prime is 1303440041. The next prime is 1303440097. The reversal of 1303440079 is 9700443031.

Together with next prime (1303440097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303440079 - 2²⁵ = 1269885647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303440079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303440029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651720039 + 651720040.

It is an arithmetic number, because the mean of its divisors is an integer number (651720040).

Almost surely, 2^1303440079 is an apocalyptic number.

1303440079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303440079 is an equidigital number, since it uses as much as digits as its factorization.

1303440079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1303440079 is about 36103.1865491123. The cubic root of 1303440079 is about 1092.3547217482.

The spelling of 1303440079 in words is "one billion, three hundred three million, four hundred forty thousand, seventy-nine".