1114257191 has 2 divisors, whose sum is σ = 1114257192. Its totient is φ = 1114257190.

The previous prime is 1114257091. The next prime is 1114257203. The reversal of 1114257191 is 1917524111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1114257191 - 2²² = 1110062887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114257091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557128595 + 557128596.

It is an arithmetic number, because the mean of its divisors is an integer number (557128596).

Almost surely, 2^1114257191 is an apocalyptic number.

1114257191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114257191 is an equidigital number, since it uses as much as digits as its factorization.

1114257191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 32.

The square root of 1114257191 is about 33380.4911737380. The cubic root of 1114257191 is about 1036.7208076249.

The spelling of 1114257191 in words is "one billion, one hundred fourteen million, two hundred fifty-seven thousand, one hundred ninety-one".