122512124 has 72 divisors (see below), whose sum is σ = 263581920. Its totient is φ = 48746880.

The previous prime is 122512087. The next prime is 122512147. The reversal of 122512124 is 421215221.

It is a junction number, because it is equal to n+sod(n) for n = 122512096 and 122512105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780254 + ... + 780410.

It is an arithmetic number, because the mean of its divisors is an integer number (3660860).

Almost surely, 2^122512124 is an apocalyptic number.

122512124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122512124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131790960).

122512124 is an abundant number, since it is smaller than the sum of its proper divisors (141069796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122512124 is a wasteful number, since it uses less digits than its factorization.

122512124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 226 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 122512124 is about 11068.5195035289. The cubic root of 122512124 is about 496.6605781776.

Adding to 122512124 its reverse (421215221), we get a palindrome (543727345).

The spelling of 122512124 in words is "one hundred twenty-two million, five hundred twelve thousand, one hundred twenty-four".