122787224 has 16 divisors (see below), whose sum is σ = 263115600. Its totient is φ = 52623072.

The previous prime is 122787221. The next prime is 122787229. The reversal of 122787224 is 422787221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122787221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1096259 + ... + 1096370.

It is an arithmetic number, because the mean of its divisors is an integer number (16444725).

Almost surely, 2^122787224 is an apocalyptic number.

122787224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122787224 is an abundant number, since it is smaller than the sum of its proper divisors (140328376).

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

122787224 is a wasteful number, since it uses less digits than its factorization.

122787224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192642 (or 2192638 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 122787224 is about 11080.9396713456. The cubic root of 122787224 is about 497.0320493969.

The spelling of 122787224 in words is "one hundred twenty-two million, seven hundred eighty-seven thousand, two hundred twenty-four".