123055100122 has 4 divisors (see below), whose sum is σ = 184582650186. Its totient is φ = 61527550060.

The previous prime is 123055100111. The next prime is 123055100137. The reversal of 123055100122 is 221001550321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221001550321 = 241 ⋅917018881.

It can be written as a sum of positive squares in only one way, i.e., 97300948761 + 25754151361 = 311931^2 + 160481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123055100093 and 123055100102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30763775029 + ... + 30763775032.

Almost surely, 2^123055100122 is an apocalyptic number.

123055100122 is a deficient number, since it is larger than the sum of its proper divisors (61527550064).

123055100122 is an equidigital number, since it uses as much as digits as its factorization.

123055100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61527550063.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 123055100122 its reverse (221001550321), we get a palindrome (344056650443).

The spelling of 123055100122 in words is "one hundred twenty-three billion, fifty-five million, one hundred thousand, one hundred twenty-two".