122115123 has 24 divisors (see below), whose sum is σ = 190364720. Its totient is φ = 74986560.

The previous prime is 122115121. The next prime is 122115157. The reversal of 122115123 is 321511221.

It is not a de Polignac number, because 122115123 - 2¹ = 122115121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122115096 and 122115105.

It is not an unprimeable number, because it can be changed into a prime (122115121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76548 + ... + 78126.

Almost surely, 2^122115123 is an apocalyptic number.

122115123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122115123 is a deficient number, since it is larger than the sum of its proper divisors (68249597).

122115123 is a wasteful number, since it uses less digits than its factorization.

122115123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2256 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 122115123 is about 11050.5711617092. The cubic root of 122115123 is about 496.1235208213.

Adding to 122115123 its reverse (321511221), we get a palindrome (443626344).

The spelling of 122115123 in words is "one hundred twenty-two million, one hundred fifteen thousand, one hundred twenty-three".