118961279 has 2 divisors, whose sum is σ = 118961280. Its totient is φ = 118961278.

The previous prime is 118961239. The next prime is 118961303. The reversal of 118961279 is 972169811.

It is a strong prime.

It is an emirp because it is prime and its reverse (972169811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118961279 - 2¹⁶ = 118895743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118961239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59480639 + 59480640.

It is an arithmetic number, because the mean of its divisors is an integer number (59480640).

Almost surely, 2^118961279 is an apocalyptic number.

118961279 is a deficient number, since it is larger than the sum of its proper divisors (1).

118961279 is an equidigital number, since it uses as much as digits as its factorization.

118961279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 44.

The square root of 118961279 is about 10906.9371961151. The cubic root of 118961279 is about 491.8151185292.

The spelling of 118961279 in words is "one hundred eighteen million, nine hundred sixty-one thousand, two hundred seventy-nine".