123055045 has 4 divisors (see below), whose sum is σ = 147666060. Its totient is φ = 98444032.

The previous prime is 123055013. The next prime is 123055087. The reversal of 123055045 is 540550321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 26563716 = 9823^2 + 5154^2 .

It is a cyclic number.

It is not a de Polignac number, because 123055045 - 2⁵ = 123055013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12305500 + ... + 12305509.

It is an arithmetic number, because the mean of its divisors is an integer number (36916515).

Almost surely, 2^123055045 is an apocalyptic number.

It is an amenable number.

123055045 is a deficient number, since it is larger than the sum of its proper divisors (24611015).

123055045 is an equidigital number, since it uses as much as digits as its factorization.

123055045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24611014.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 123055045 is about 11093.0178490797. The cubic root of 123055045 is about 497.3931590473.

The spelling of 123055045 in words is "one hundred twenty-three million, fifty-five thousand, forty-five".