122135159 has 8 divisors (see below), whose sum is σ = 123809232. Its totient is φ = 120470400.

The previous prime is 122135149. The next prime is 122135183. The reversal of 122135159 is 951531221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122135159 - 2¹² = 122131063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26447 + ... + 30719.

It is an arithmetic number, because the mean of its divisors is an integer number (15476154).

Almost surely, 2^122135159 is an apocalyptic number.

122135159 is a deficient number, since it is larger than the sum of its proper divisors (1674073).

122135159 is a wasteful number, since it uses less digits than its factorization.

122135159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657.

The product of its digits is 2700, while the sum is 29.

The square root of 122135159 is about 11051.4776840023. The cubic root of 122135159 is about 496.1506531071.

The spelling of 122135159 in words is "one hundred twenty-two million, one hundred thirty-five thousand, one hundred fifty-nine".