1199032979 has 2 divisors, whose sum is σ = 1199032980. Its totient is φ = 1199032978.

The previous prime is 1199032969. The next prime is 1199032997. The reversal of 1199032979 is 9792309911.

Together with next prime (1199032997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199032979 - 2⁴ = 1199032963 is a prime.

It is a super-2 number, since 2×1199032979² = 2875360169459228882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1199032969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599516489 + 599516490.

It is an arithmetic number, because the mean of its divisors is an integer number (599516490).

Almost surely, 2^1199032979 is an apocalyptic number.

1199032979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199032979 is an equidigital number, since it uses as much as digits as its factorization.

1199032979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 1199032979 is about 34627.0555924121. The cubic root of 1199032979 is about 1062.3730443742.

The spelling of 1199032979 in words is "one billion, one hundred ninety-nine million, thirty-two thousand, nine hundred seventy-nine".