122245788 has 144 divisors (see below), whose sum is σ = 351630720. Its totient is φ = 32909184.

The previous prime is 122245763. The next prime is 122245813. The reversal of 122245788 is 887542221.

It is an interprime number because it is at equal distance from previous prime (122245763) and next prime (122245813).

Its product of digits (71680) is a multiple of the sum of its prime factors (224).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1142431 + ... + 1142537.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^122245788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122245788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175815360).

122245788 is an abundant number, since it is smaller than the sum of its proper divisors (229384932).

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

122245788 is a wasteful number, since it uses less digits than its factorization.

122245788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 215 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 122245788 is about 11056.4817188833. The cubic root of 122245788 is about 496.3004109296.

The spelling of 122245788 in words is "one hundred twenty-two million, two hundred forty-five thousand, seven hundred eighty-eight".