122528255 has 4 divisors (see below), whose sum is σ = 147033912. Its totient is φ = 98022600.

The previous prime is 122528239. The next prime is 122528257. The reversal of 122528255 is 552825221.

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

It is not a de Polignac number, because 122528255 - 2⁴ = 122528239 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 (122528257) 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, 12252821 + ... + 12252830.

It is an arithmetic number, because the mean of its divisors is an integer number (36758478).

Almost surely, 2^122528255 is an apocalyptic number.

122528255 is a deficient number, since it is larger than the sum of its proper divisors (24505657).

122528255 is an equidigital number, since it uses as much as digits as its factorization.

122528255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24505656.

The product of its digits is 16000, while the sum is 32.

The square root of 122528255 is about 11069.2481677845. The cubic root of 122528255 is about 496.6823754222.

The spelling of 122528255 in words is "one hundred twenty-two million, five hundred twenty-eight thousand, two hundred fifty-five".