123055522 has 4 divisors (see below), whose sum is σ = 184583286. Its totient is φ = 61527760.

The previous prime is 123055489. The next prime is 123055549. The reversal of 123055522 is 225550321.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 95082001 + 27973521 = 9751^2 + 5289^2 .

It is a super-2 number, since 2×123055522² = 30285322989384968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30763879 + ... + 30763882.

Almost surely, 2^123055522 is an apocalyptic number.

123055522 is a deficient number, since it is larger than the sum of its proper divisors (61527764).

123055522 is an equidigital number, since it uses as much as digits as its factorization.

123055522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61527763.

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

The square root of 123055522 is about 11093.0393490693. The cubic root of 123055522 is about 497.3938017305.

The spelling of 123055522 in words is "one hundred twenty-three million, fifty-five thousand, five hundred twenty-two".