122645265 has 16 divisors (see below), whose sum is σ = 196369728. Its totient is φ = 65365056.

The previous prime is 122645249. The next prime is 122645267. The reversal of 122645265 is 562546221.

It is not a de Polignac number, because 122645265 - 2⁴ = 122645249 is a prime.

It is a super-2 number, since 2×122645265² = 30083722053840450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122645267) 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, 40587 + ... + 43503.

It is an arithmetic number, because the mean of its divisors is an integer number (12273108).

Almost surely, 2^122645265 is an apocalyptic number.

122645265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122645265 is a deficient number, since it is larger than the sum of its proper divisors (73724463).

122645265 is a wasteful number, since it uses less digits than its factorization.

122645265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its digits is 28800, while the sum is 33.

The square root of 122645265 is about 11074.5322700329. The cubic root of 122645265 is about 496.8404296189.

The spelling of 122645265 in words is "one hundred twenty-two million, six hundred forty-five thousand, two hundred sixty-five".