122300280 has 80 divisors (see below), whose sum is σ = 411075720. Its totient is φ = 32612544.

The previous prime is 122300273. The next prime is 122300293. The reversal of 122300280 is 82003221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15634 + ... + 22113.

Almost surely, 2^122300280 is an apocalyptic number.

122300280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122300280 is an abundant number, since it is smaller than the sum of its proper divisors (288775440).

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

122300280 is a wasteful number, since it uses less digits than its factorization.

122300280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770 (or 37757 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122300280 is about 11058.9457002013. The cubic root of 122300280 is about 496.3741432166.

The spelling of 122300280 in words is "one hundred twenty-two million, three hundred thousand, two hundred eighty".