122872269 has 8 divisors (see below), whose sum is σ = 176432032. Its totient is φ = 75613680.

The previous prime is 122872261. The next prime is 122872289. The reversal of 122872269 is 962278221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122872269 - 2³ = 122872261 is a prime.

It is a super-2 number, since 2×122872269² = 30195188978416722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3150571 = 122872269 / (1 + 2 + 2 + 8 + 7 + 2 + 2 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122872261) 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, 1575247 + ... + 1575324.

It is an arithmetic number, because the mean of its divisors is an integer number (22054004).

Almost surely, 2^122872269 is an apocalyptic number.

It is an amenable number.

122872269 is a deficient number, since it is larger than the sum of its proper divisors (53559763).

122872269 is a wasteful number, since it uses less digits than its factorization.

122872269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150587.

The product of its digits is 48384, while the sum is 39.

The square root of 122872269 is about 11084.7764524144. The cubic root of 122872269 is about 497.1467745124.

The spelling of 122872269 in words is "one hundred twenty-two million, eight hundred seventy-two thousand, two hundred sixty-nine".