122430656 has 56 divisors (see below), whose sum is σ = 261786624. Its totient is φ = 56643840.

The previous prime is 122430647. The next prime is 122430673. The reversal of 122430656 is 656034221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44291 + ... + 46973.

Almost surely, 2^122430656 is an apocalyptic number.

122430656 is a gapful number since it is divisible by the number (16) 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 122430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130893312).

122430656 is an abundant number, since it is smaller than the sum of its proper divisors (139355968).

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

122430656 is a wasteful number, since it uses less digits than its factorization.

122430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 122430656 is about 11064.8387245364. The cubic root of 122430656 is about 496.5504641340.

Adding to 122430656 its reverse (656034221), we get a palindrome (778464877).

The spelling of 122430656 in words is "one hundred twenty-two million, four hundred thirty thousand, six hundred fifty-six".