989250122 has 24 divisors (see below), whose sum is σ = 1727862660. Its totient is φ = 423541440.

The previous prime is 989250121. The next prime is 989250127. The reversal of 989250122 is 221052989.

It can be written as a sum of positive squares in 2 ways, for example, as 962922961 + 26327161 = 31031^2 + 5131^2 .

It is not an unprimeable number, because it can be changed into a prime (989250121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106172 + ... + 115112.

Almost surely, 2^989250122 is an apocalyptic number.

989250122 is a deficient number, since it is larger than the sum of its proper divisors (738612538).

989250122 is a wasteful number, since it uses less digits than its factorization.

989250122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086 (or 10079 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 989250122 is about 31452.3468440751. The cubic root of 989250122 is about 996.4037901107.

The spelling of 989250122 in words is "nine hundred eighty-nine million, two hundred fifty thousand, one hundred twenty-two".