122417880 has 128 divisors (see below), whose sum is σ = 400075200. Its totient is φ = 29786112.

The previous prime is 122417873. The next prime is 122417887. The reversal of 122417880 is 88714221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122417873) and next prime (122417887).

It is a super-2 number, since 2×122417880² = 29972274687388800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122417887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150916 + ... + 151724.

Almost surely, 2^122417880 is an apocalyptic number.

122417880 is a gapful number since it is divisible by the number (10) 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 122417880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200037600).

122417880 is an abundant number, since it is smaller than the sum of its proper divisors (277657320).

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

122417880 is a wasteful number, since it uses less digits than its factorization.

122417880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 122417880 is about 11064.2613851987. The cubic root of 122417880 is about 496.5331913648.

The spelling of 122417880 in words is "one hundred twenty-two million, four hundred seventeen thousand, eight hundred eighty".