989122 has 4 divisors (see below), whose sum is σ = 1483686. Its totient is φ = 494560.

The previous prime is 989119. The next prime is 989123. The reversal of 989122 is 221989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 159201 = 911^2 + 399^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 989122 parts by 1406 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (989123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247279 + ... + 247282.

2⁹⁸⁹¹²² is an apocalyptic number.

989122 is a deficient number, since it is larger than the sum of its proper divisors (494564).

989122 is a wasteful number, since it uses less digits than its factorization.

989122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494563.

The product of its digits is 2592, while the sum is 31.

The square root of 989122 is about 994.5461276381. The cubic root of 989122 is about 99.6360772086.

It can be divided in two parts, 989 and 122, that added together give a palindrome (1111).

The spelling of 989122 in words is "nine hundred eighty-nine thousand, one hundred twenty-two".