122790168 has 40 divisors (see below), whose sum is σ = 343927980. Its totient is φ = 40929840.

The previous prime is 122790139. The next prime is 122790193. The reversal of 122790168 is 861097221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 94098 + ... + 95393.

Almost surely, 2^122790168 is an apocalyptic number.

122790168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122790168 is an abundant number, since it is smaller than the sum of its proper divisors (221137812).

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

122790168 is a wasteful number, since it uses less digits than its factorization.

122790168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189509 (or 189496 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 122790168 is about 11081.0725112689. The cubic root of 122790168 is about 497.0360217175.

The spelling of 122790168 in words is "one hundred twenty-two million, seven hundred ninety thousand, one hundred sixty-eight".