119813979 has 4 divisors (see below), whose sum is σ = 159751976. Its totient is φ = 79875984.

The previous prime is 119813971. The next prime is 119813989. The reversal of 119813979 is 979318911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979318911 = 3 ⋅326439637.

It is not a de Polignac number, because 119813979 - 2³ = 119813971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119813971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19968994 + ... + 19968999.

It is an arithmetic number, because the mean of its divisors is an integer number (39937994).

Almost surely, 2^119813979 is an apocalyptic number.

119813979 is a deficient number, since it is larger than the sum of its proper divisors (39937997).

119813979 is an equidigital number, since it uses as much as digits as its factorization.

119813979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39937996.

The product of its digits is 122472, while the sum is 48.

The square root of 119813979 is about 10945.9571988931. The cubic root of 119813979 is about 492.9874123677.

The spelling of 119813979 in words is "one hundred nineteen million, eight hundred thirteen thousand, nine hundred seventy-nine".