1122113491 has 2 divisors, whose sum is σ = 1122113492. Its totient is φ = 1122113490.

The previous prime is 1122113401. The next prime is 1122113537. The reversal of 1122113491 is 1943112211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122113491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122113401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561056745 + 561056746.

It is an arithmetic number, because the mean of its divisors is an integer number (561056746).

Almost surely, 2^1122113491 is an apocalyptic number.

1122113491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122113491 is an equidigital number, since it uses as much as digits as its factorization.

1122113491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 1122113491 is about 33497.9624902769. The cubic root of 1122113491 is about 1039.1516414288.

The spelling of 1122113491 in words is "one billion, one hundred twenty-two million, one hundred thirteen thousand, four hundred ninety-one".