122550165 has 20 divisors (see below), whose sum is σ = 219683244. Its totient is φ = 65359872.

The previous prime is 122550149. The next prime is 122550167. The reversal of 122550165 is 561055221.

It can be written as a sum of positive squares in 2 ways, for example, as 80676324 + 41873841 = 8982^2 + 6471^2 .

It is not a de Polignac number, because 122550165 - 2⁴ = 122550149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122550167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 150892 + ... + 151701.

Almost surely, 2^122550165 is an apocalyptic number.

122550165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122550165 is a deficient number, since it is larger than the sum of its proper divisors (97133079).

122550165 is an equidigital number, since it uses as much as digits as its factorization.

122550165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302610 (or 302601 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 122550165 is about 11070.2378023239. The cubic root of 122550165 is about 496.7119785595.

The spelling of 122550165 in words is "one hundred twenty-two million, five hundred fifty thousand, one hundred sixty-five".