122420122 has 48 divisors (see below), whose sum is σ = 213891552. Its totient is φ = 52097760.

The previous prime is 122420119. The next prime is 122420143. The reversal of 122420122 is 221024221.

It is a junction number, because it is equal to n+sod(n) for n = 122420096 and 122420105.

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, 779668 + ... + 779824.

It is an arithmetic number, because the mean of its divisors is an integer number (4456074).

Almost surely, 2^122420122 is an apocalyptic number.

122420122 is a deficient number, since it is larger than the sum of its proper divisors (91471430).

122420122 is a wasteful number, since it uses less digits than its factorization.

122420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122420122 is about 11064.3627019363. The cubic root of 122420122 is about 496.5362225685.

Adding to 122420122 its reverse (221024221), we get a palindrome (343444343).

The spelling of 122420122 in words is "one hundred twenty-two million, four hundred twenty thousand, one hundred twenty-two".