12122159 has 6 divisors (see below), whose sum is σ = 14101344. Its totient is φ = 10390380.

The previous prime is 12122153. The next prime is 12122167. The reversal of 12122159 is 95122121.

It is not a de Polignac number, because 12122159 - 2¹² = 12118063 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 (12122153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123647 + ... + 123744.

It is an arithmetic number, because the mean of its divisors is an integer number (2350224).

Almost surely, 2^12122159 is an apocalyptic number.

12122159 is a deficient number, since it is larger than the sum of its proper divisors (1979185).

12122159 is an equidigital number, since it uses as much as digits as its factorization.

12122159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247405 (or 247398 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 12122159 is about 3481.6891015712. The cubic root of 12122159 is about 229.7171001913.

The spelling of 12122159 in words is "twelve million, one hundred twenty-two thousand, one hundred fifty-nine".