122179159 has 2 divisors, whose sum is σ = 122179160. Its totient is φ = 122179158.

The previous prime is 122179133. The next prime is 122179181. The reversal of 122179159 is 951971221.

It is a strong prime.

It is an emirp because it is prime and its reverse (951971221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122179159 - 2¹⁵ = 122146391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122179129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61089579 + 61089580.

It is an arithmetic number, because the mean of its divisors is an integer number (61089580).

Almost surely, 2^122179159 is an apocalyptic number.

122179159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122179159 is an equidigital number, since it uses as much as digits as its factorization.

122179159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 37.

The square root of 122179159 is about 11053.4681887632. The cubic root of 122179159 is about 496.2102264735.

The spelling of 122179159 in words is "one hundred twenty-two million, one hundred seventy-nine thousand, one hundred fifty-nine".