1112267491 has 2 divisors, whose sum is σ = 1112267492. Its totient is φ = 1112267490.

The previous prime is 1112267437. The next prime is 1112267509. The reversal of 1112267491 is 1947622111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112267491 - 2⁹ = 1112266979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112267411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556133745 + 556133746.

It is an arithmetic number, because the mean of its divisors is an integer number (556133746).

Almost surely, 2^1112267491 is an apocalyptic number.

1112267491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112267491 is an equidigital number, since it uses as much as digits as its factorization.

1112267491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 1112267491 is about 33350.6745209149. The cubic root of 1112267491 is about 1036.1033581902.

The spelling of 1112267491 in words is "one billion, one hundred twelve million, two hundred sixty-seven thousand, four hundred ninety-one".