122430078 has 24 divisors (see below), whose sum is σ = 266065488. Its totient is φ = 40686912.

The previous prime is 122430043. The next prime is 122430109. The reversal of 122430078 is 870034221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026 + ... + 16157.

It is an arithmetic number, because the mean of its divisors is an integer number (11086062).

Almost surely, 2^122430078 is an apocalyptic number.

122430078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122430078 is an abundant number, since it is smaller than the sum of its proper divisors (143635410).

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

122430078 is a wasteful number, since it uses less digits than its factorization.

122430078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20528 (or 20525 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 122430078 is about 11064.8126057335. The cubic root of 122430078 is about 496.5496827213.

Adding to 122430078 its reverse (870034221), we get a palindrome (992464299).

The spelling of 122430078 in words is "one hundred twenty-two million, four hundred thirty thousand, seventy-eight".