1102402991 has 2 divisors, whose sum is σ = 1102402992. Its totient is φ = 1102402990.

The previous prime is 1102402967. The next prime is 1102402999. The reversal of 1102402991 is 1992042011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102402991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102402999) 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, 551201495 + 551201496.

It is an arithmetic number, because the mean of its divisors is an integer number (551201496).

Almost surely, 2^1102402991 is an apocalyptic number.

1102402991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102402991 is an equidigital number, since it uses as much as digits as its factorization.

1102402991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1102402991 is about 33202.4545929966. The cubic root of 1102402991 is about 1033.0312535546.

The spelling of 1102402991 in words is "one billion, one hundred two million, four hundred two thousand, nine hundred ninety-one".