122297760 has 288 divisors, whose sum is σ = 462309120. Its totient is φ = 29251584.

The previous prime is 122297743. The next prime is 122297803. The reversal of 122297760 is 67792221.

It is a tau number, because it is divible by the number of its divisors (288).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 879771 + ... + 879909.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^122297760 is an apocalyptic number.

122297760 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 122297760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231154560).

122297760 is an abundant number, since it is smaller than the sum of its proper divisors (340011360).

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

122297760 is a wasteful number, since it uses less digits than its factorization.

122297760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 122297760 is about 11058.8317647028. The cubic root of 122297760 is about 496.3707339264.

The spelling of 122297760 in words is "one hundred twenty-two million, two hundred ninety-seven thousand, seven hundred sixty".