1112949979 has 2 divisors, whose sum is σ = 1112949980. Its totient is φ = 1112949978.

The previous prime is 1112949953. The next prime is 1112950009. The reversal of 1112949979 is 9799492111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112949979 is a prime.

It is a super-2 number, since 2×1112949979² = 2477315311512200882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112949179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556474989 + 556474990.

It is an arithmetic number, because the mean of its divisors is an integer number (556474990).

Almost surely, 2^1112949979 is an apocalyptic number.

1112949979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112949979 is an equidigital number, since it uses as much as digits as its factorization.

1112949979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 52.

The square root of 1112949979 is about 33360.9049487570. The cubic root of 1112949979 is about 1036.3152327415.

The spelling of 1112949979 in words is "one billion, one hundred twelve million, nine hundred forty-nine thousand, nine hundred seventy-nine".