122736889 has 8 divisors (see below), whose sum is σ = 141771168. Its totient is φ = 105015360.

The previous prime is 122736883. The next prime is 122736893. The reversal of 122736889 is 988637221.

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 122736889 - 2¹⁷ = 122605817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122736883) 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, 327987 + ... + 328360.

It is an arithmetic number, because the mean of its divisors is an integer number (17721396).

Almost surely, 2^122736889 is an apocalyptic number.

It is an amenable number.

122736889 is a deficient number, since it is larger than the sum of its proper divisors (19034279).

122736889 is a wasteful number, since it uses less digits than its factorization.

122736889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656375.

The product of its digits is 290304, while the sum is 46.

The square root of 122736889 is about 11078.6681961326. The cubic root of 122736889 is about 496.9641228739.

The spelling of 122736889 in words is "one hundred twenty-two million, seven hundred thirty-six thousand, eight hundred eighty-nine".