122693888 has 36 divisors (see below), whose sum is σ = 247211580. Its totient is φ = 60770304.

The previous prime is 122693881. The next prime is 122693911. The reversal of 122693888 is 888396221.

It can be written as a sum of positive squares in 2 ways, for example, as 72454144 + 50239744 = 8512^2 + 7088^2 .

It is not an unprimeable number, because it can be changed into a prime (122693881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25706 + ... + 30102.

Almost surely, 2^122693888 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 122693888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123605790).

122693888 is an abundant number, since it is smaller than the sum of its proper divisors (124517692).

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

122693888 is an equidigital number, since it uses as much as digits as its factorization.

122693888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522 (or 4508 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 122693888 is about 11076.7273145095. The cubic root of 122693888 is about 496.9060787912.

The spelling of 122693888 in words is "one hundred twenty-two million, six hundred ninety-three thousand, eight hundred eighty-eight".