122407308 has 48 divisors (see below), whose sum is σ = 319707360. Its totient is φ = 40499712.

The previous prime is 122407303. The next prime is 122407333. The reversal of 122407308 is 803704221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122407303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10660 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (6660570).

Almost surely, 2^122407308 is an apocalyptic number.

122407308 is a gapful number since it is divisible by the number (18) 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 122407308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159853680).

122407308 is an abundant number, since it is smaller than the sum of its proper divisors (197300052).

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

122407308 is a wasteful number, since it uses less digits than its factorization.

122407308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423 (or 8415 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 122407308 is about 11063.7836204438. The cubic root of 122407308 is about 496.5188974288.

The spelling of 122407308 in words is "one hundred twenty-two million, four hundred seven thousand, three hundred eight".