122574553 has 4 divisors (see below), whose sum is σ = 125425168. Its totient is φ = 119723940.

The previous prime is 122574523. The next prime is 122574577. The reversal of 122574553 is 355475221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 355475221 = 97 ⋅3664693.

It is a cyclic number.

It is not a de Polignac number, because 122574553 - 2⁹ = 122574041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122574523) 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, 1425243 + ... + 1425328.

It is an arithmetic number, because the mean of its divisors is an integer number (31356292).

Almost surely, 2^122574553 is an apocalyptic number.

It is an amenable number.

122574553 is a deficient number, since it is larger than the sum of its proper divisors (2850615).

122574553 is an equidigital number, since it uses as much as digits as its factorization.

122574553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850614.

The product of its digits is 42000, while the sum is 34.

The square root of 122574553 is about 11071.3392595476. The cubic root of 122574553 is about 496.7449256340.

The spelling of 122574553 in words is "one hundred twenty-two million, five hundred seventy-four thousand, five hundred fifty-three".