122281165 has 16 divisors (see below), whose sum is σ = 148366080. Its totient is φ = 96746560.

The previous prime is 122281163. The next prime is 122281183. The reversal of 122281165 is 561182221.

It is not a de Polignac number, because 122281165 - 2¹ = 122281163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122281163) 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, 283500 + ... + 283930.

It is an arithmetic number, because the mean of its divisors is an integer number (9272880).

Almost surely, 2^122281165 is an apocalyptic number.

It is an amenable number.

122281165 is a deficient number, since it is larger than the sum of its proper divisors (26084915).

122281165 is a wasteful number, since it uses less digits than its factorization.

122281165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its digits is 1920, while the sum is 28.

The square root of 122281165 is about 11058.0814339559. The cubic root of 122281165 is about 496.3482814984.

The spelling of 122281165 in words is "one hundred twenty-two million, two hundred eighty-one thousand, one hundred sixty-five".