11989122 has 16 divisors (see below), whose sum is σ = 24805440. Its totient is φ = 3858512.

The previous prime is 11989121. The next prime is 11989129. The reversal of 11989122 is 22198911.

It is not an unprimeable number, because it can be changed into a prime (11989121) 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 in 7 ways as a sum of consecutive naturals, for example, 34278 + ... + 34625.

It is an arithmetic number, because the mean of its divisors is an integer number (1550340).

Almost surely, 2^11989122 is an apocalyptic number.

11989122 is an abundant number, since it is smaller than the sum of its proper divisors (12816318).

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

11989122 is a wasteful number, since it uses less digits than its factorization.

11989122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68937.

The product of its digits is 2592, while the sum is 33.

The square root of 11989122 is about 3462.5311550945. The cubic root of 11989122 is about 228.8736486992.

The spelling of 11989122 in words is "eleven million, nine hundred eighty-nine thousand, one hundred twenty-two".