122387760 has 400 divisors, whose sum is σ = 495852192. Its totient is φ = 27648000.

The previous prime is 122387729. The next prime is 122387773. The reversal of 122387760 is 67783221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1211710 + ... + 1211810.

Almost surely, 2^122387760 is an apocalyptic number.

122387760 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 122387760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247926096).

122387760 is an abundant number, since it is smaller than the sum of its proper divisors (373464432).

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

122387760 is a wasteful number, since it uses less digits than its factorization.

122387760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 122387760 is about 11062.9001622540. The cubic root of 122387760 is about 496.4924652702.

The spelling of 122387760 in words is "one hundred twenty-two million, three hundred eighty-seven thousand, seven hundred sixty".