1112856491 has 2 divisors, whose sum is σ = 1112856492. Its totient is φ = 1112856490.

The previous prime is 1112856473. The next prime is 1112856509. The reversal of 1112856491 is 1946582111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1112856473) and next prime (1112856509).

It is an emirp because it is prime and its reverse (1946582111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112856491 - 2¹⁰ = 1112855467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112856401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556428245 + 556428246.

It is an arithmetic number, because the mean of its divisors is an integer number (556428246).

Almost surely, 2^1112856491 is an apocalyptic number.

1112856491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112856491 is an equidigital number, since it uses as much as digits as its factorization.

1112856491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 38.

The square root of 1112856491 is about 33359.5037582995. The cubic root of 1112856491 is about 1036.2862150398.

The spelling of 1112856491 in words is "one billion, one hundred twelve million, eight hundred fifty-six thousand, four hundred ninety-one".