122259081 has 16 divisors (see below), whose sum is σ = 187142144. Its totient is φ = 69546384.

The previous prime is 122259047. The next prime is 122259101. The reversal of 122259081 is 180952221.

It is not a de Polignac number, because 122259081 - 2⁶ = 122259017 is a prime.

It is a super-2 number, since 2×122259081² = 29894565773929122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122259031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8371 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (11696384).

Almost surely, 2^122259081 is an apocalyptic number.

It is an amenable number.

122259081 is a deficient number, since it is larger than the sum of its proper divisors (64883063).

122259081 is a wasteful number, since it uses less digits than its factorization.

122259081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26340.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 122259081 is about 11057.0828431372. The cubic root of 122259081 is about 496.3183995037.

The spelling of 122259081 in words is "one hundred twenty-two million, two hundred fifty-nine thousand, eighty-one".