122752253 has 4 divisors (see below), whose sum is σ = 132194748. Its totient is φ = 113309760.

The previous prime is 122752247. The next prime is 122752261. The reversal of 122752253 is 352257221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352257221 = 17 ⋅20721013.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 93180409 = 5438^2 + 9653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122752253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122752243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721228 + ... + 4721253.

It is an arithmetic number, because the mean of its divisors is an integer number (33048687).

Almost surely, 2^122752253 is an apocalyptic number.

122752253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122752253 is a deficient number, since it is larger than the sum of its proper divisors (9442495).

122752253 is an equidigital number, since it uses as much as digits as its factorization.

122752253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442494.

The product of its digits is 8400, while the sum is 29.

The square root of 122752253 is about 11079.3615790803. The cubic root of 122752253 is about 496.9848583900.

The spelling of 122752253 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, two hundred fifty-three".