1113491867 has 2 divisors, whose sum is σ = 1113491868. Its totient is φ = 1113491866.

The previous prime is 1113491861. The next prime is 1113491881. The reversal of 1113491867 is 7681943111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113491867 - 2⁶ = 1113491803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113491861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556745933 + 556745934.

It is an arithmetic number, because the mean of its divisors is an integer number (556745934).

Almost surely, 2^1113491867 is an apocalyptic number.

1113491867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113491867 is an equidigital number, since it uses as much as digits as its factorization.

1113491867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 1113491867 is about 33369.0255626382. The cubic root of 1113491867 is about 1036.4833971343.

The spelling of 1113491867 in words is "one billion, one hundred thirteen million, four hundred ninety-one thousand, eight hundred sixty-seven".