989505122 has 8 divisors (see below), whose sum is σ = 1487640000. Its totient is φ = 493625124.

The previous prime is 989505113. The next prime is 989505131. The reversal of 989505122 is 221505989.

It is an interprime number because it is at equal distance from previous prime (989505113) and next prime (989505131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 989505122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562622 + ... + 564377.

It is an arithmetic number, because the mean of its divisors is an integer number (185955000).

Almost surely, 2^989505122 is an apocalyptic number.

989505122 is a deficient number, since it is larger than the sum of its proper divisors (498134878).

989505122 is a wasteful number, since it uses less digits than its factorization.

989505122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127440.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 989505122 is about 31456.4003344311. The cubic root of 989505122 is about 996.4893974248.

The spelling of 989505122 in words is "nine hundred eighty-nine million, five hundred five thousand, one hundred twenty-two".