122647267 has 4 divisors (see below), whose sum is σ = 125962096. Its totient is φ = 119332440.

The previous prime is 122647241. The next prime is 122647307. The reversal of 122647267 is 762746221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122647267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3314791 = 122647267 / (1 + 2 + 2 + 6 + 4 + 7 + 2 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122647207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657359 + ... + 1657432.

It is an arithmetic number, because the mean of its divisors is an integer number (31490524).

Almost surely, 2^122647267 is an apocalyptic number.

122647267 is a deficient number, since it is larger than the sum of its proper divisors (3314829).

122647267 is an equidigital number, since it uses as much as digits as its factorization.

122647267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314828.

The product of its digits is 56448, while the sum is 37.

The square root of 122647267 is about 11074.6226572286. The cubic root of 122647267 is about 496.8431329957.

The spelling of 122647267 in words is "one hundred twenty-two million, six hundred forty-seven thousand, two hundred sixty-seven".