122498442 has 24 divisors (see below), whose sum is σ = 289542240. Its totient is φ = 37120680.

The previous prime is 122498419. The next prime is 122498449. The reversal of 122498442 is 244894221.

122498442 is a `hidden beast` number, since 122 + 4 + 98 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 122498397 and 122498406.

It is not an unprimeable number, because it can be changed into a prime (122498449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309142 + ... + 309537.

It is an arithmetic number, because the mean of its divisors is an integer number (12064260).

Almost surely, 2^122498442 is an apocalyptic number.

122498442 is an abundant number, since it is smaller than the sum of its proper divisors (167043798).

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

122498442 is a wasteful number, since it uses less digits than its factorization.

122498442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618698 (or 618695 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 122498442 is about 11067.9014270999. The cubic root of 122498442 is about 496.6420886796.

The spelling of 122498442 in words is "one hundred twenty-two million, four hundred ninety-eight thousand, four hundred forty-two".