1099979207 has 2 divisors, whose sum is σ = 1099979208. Its totient is φ = 1099979206.

The previous prime is 1099979161. The next prime is 1099979249. The reversal of 1099979207 is 7029799901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1099979207 - 2⁶ = 1099979143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099979297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549989603 + 549989604.

It is an arithmetic number, because the mean of its divisors is an integer number (549989604).

Almost surely, 2^1099979207 is an apocalyptic number.

1099979207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099979207 is an equidigital number, since it uses as much as digits as its factorization.

1099979207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 53.

The square root of 1099979207 is about 33165.9344358033. The cubic root of 1099979207 is about 1032.2736111122.

The spelling of 1099979207 in words is "one billion, ninety-nine million, nine hundred seventy-nine thousand, two hundred seven".