122159337169 has 9 divisors (see below), whose sum is σ = 123678239209. Its totient is φ = 120658877860.

The previous prime is 122159337089. The next prime is 122159337187. The reversal of 122159337169 is 961733951221.

It is a happy number.

The square root of 122159337169 is 349513.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 122159337169 - 2¹⁷ = 122159206097 is a prime.

It is a super-2 number, since 2×122159337169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122159337199) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29007474 + ... + 29011684.

Almost surely, 2^122159337169 is an apocalyptic number.

122159337169 is the 349513-rd square number.

122159337169 is the 174757-th centered octagonal number.

It is an amenable number.

122159337169 is a deficient number, since it is larger than the sum of its proper divisors (1518902040).

122159337169 is an frugal number, since it uses more digits than its factorization.

122159337169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588 (or 4294 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

Multiplying 122159337169 by its sum of digits (49), we get a square (5985807521281 = 2446591²).

The spelling of 122159337169 in words is "one hundred twenty-two billion, one hundred fifty-nine million, three hundred thirty-seven thousand, one hundred sixty-nine".