1114419991 has 2 divisors, whose sum is σ = 1114419992. Its totient is φ = 1114419990.

The previous prime is 1114419967. The next prime is 1114420003. The reversal of 1114419991 is 1999144111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1114419991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114417991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557209995 + 557209996.

It is an arithmetic number, because the mean of its divisors is an integer number (557209996).

Almost surely, 2^1114419991 is an apocalyptic number.

1114419991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114419991 is an equidigital number, since it uses as much as digits as its factorization.

1114419991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 40.

The square root of 1114419991 is about 33382.9296347699. The cubic root of 1114419991 is about 1036.7712956480.

The spelling of 1114419991 in words is "one billion, one hundred fourteen million, four hundred nineteen thousand, nine hundred ninety-one".