1114242991 has 2 divisors, whose sum is σ = 1114242992. Its totient is φ = 1114242990.

The previous prime is 1114242971. The next prime is 1114243001. The reversal of 1114242991 is 1992424111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1114242991 - 2⁷ = 1114242863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114242911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557121495 + 557121496.

It is an arithmetic number, because the mean of its divisors is an integer number (557121496).

Almost surely, 2^1114242991 is an apocalyptic number.

1114242991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114242991 is an equidigital number, since it uses as much as digits as its factorization.

1114242991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 1114242991 is about 33380.2784739732. The cubic root of 1114242991 is about 1036.7164036452.

The spelling of 1114242991 in words is "one billion, one hundred fourteen million, two hundred forty-two thousand, nine hundred ninety-one".