122901222889 has 8 divisors (see below), whose sum is σ = 123622940232. Its totient is φ = 122179635840.

The previous prime is 122901222881. The next prime is 122901222919. The reversal of 122901222889 is 988222109221.

It can be written as a sum of positive squares in 4 ways, for example, as 16334884864 + 106566338025 = 127808^2 + 326445^2 .

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 122901222889 - 2³ = 122901222881 is a prime.

It is a super-2 number, since 2×122901222889² (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 (122901222881) 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, 2381419 + ... + 2432479.

It is an arithmetic number, because the mean of its divisors is an integer number (15452867529).

Almost surely, 2^122901222889 is an apocalyptic number.

It is an amenable number.

122901222889 is a deficient number, since it is larger than the sum of its proper divisors (721717343).

122901222889 is a wasteful number, since it uses less digits than its factorization.

122901222889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65147.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 122901222889 in words is "one hundred twenty-two billion, nine hundred one million, two hundred twenty-two thousand, eight hundred eighty-nine".