119979709 has 2 divisors, whose sum is σ = 119979710. Its totient is φ = 119979708.

The previous prime is 119979701. The next prime is 119979719. The reversal of 119979709 is 907979911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81812025 + 38167684 = 9045^2 + 6178^2 .

It is a cyclic number.

It is not a de Polignac number, because 119979709 - 2³ = 119979701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119979701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59989854 + 59989855.

It is an arithmetic number, because the mean of its divisors is an integer number (59989855).

Almost surely, 2^119979709 is an apocalyptic number.

It is an amenable number.

119979709 is a deficient number, since it is larger than the sum of its proper divisors (1).

119979709 is an equidigital number, since it uses as much as digits as its factorization.

119979709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 52.

The square root of 119979709 is about 10953.5249577476. The cubic root of 119979709 is about 493.2146122383.

It can be divided in two parts, 1199 and 79709, that added together give a palindrome (80908).

The spelling of 119979709 in words is "one hundred nineteen million, nine hundred seventy-nine thousand, seven hundred nine".