122238553 has 4 divisors (see below), whose sum is σ = 122266368. Its totient is φ = 122210740.

The previous prime is 122238539. The next prime is 122238593. The reversal of 122238553 is 355832221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122238553 - 2⁵ = 122238521 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122238503) 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, 5701 + ... + 16642.

It is an arithmetic number, because the mean of its divisors is an integer number (30566592).

Almost surely, 2^122238553 is an apocalyptic number.

It is an amenable number.

122238553 is a deficient number, since it is larger than the sum of its proper divisors (27815).

122238553 is an equidigital number, since it uses as much as digits as its factorization.

122238553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27814.

The product of its digits is 14400, while the sum is 31.

The square root of 122238553 is about 11056.1545303962. The cubic root of 122238553 is about 496.2906197148.

The spelling of 122238553 in words is "one hundred twenty-two million, two hundred thirty-eight thousand, five hundred fifty-three".