1112409979 has 2 divisors, whose sum is σ = 1112409980. Its totient is φ = 1112409978.

The previous prime is 1112409971. The next prime is 1112410003. The reversal of 1112409979 is 9799042111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112409979 - 2³ = 1112409971 is a prime.

It is a super-2 number, since 2×1112409979² = 2474911922757560882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112409971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556204989 + 556204990.

It is an arithmetic number, because the mean of its divisors is an integer number (556204990).

Almost surely, 2^1112409979 is an apocalyptic number.

1112409979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112409979 is an equidigital number, since it uses as much as digits as its factorization.

1112409979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 1112409979 is about 33352.8106611722. The cubic root of 1112409979 is about 1036.1475999434.

The spelling of 1112409979 in words is "one billion, one hundred twelve million, four hundred nine thousand, nine hundred seventy-nine".