10989121 has 8 divisors (see below), whose sum is σ = 12910464. Its totient is φ = 9221520.

The previous prime is 10989109. The next prime is 10989127. The reversal of 10989121 is 12198901.

10989121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10989121 - 2⁷ = 10988993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10989127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38281 + ... + 38566.

It is an arithmetic number, because the mean of its divisors is an integer number (1613808).

Almost surely, 2^10989121 is an apocalyptic number.

10989121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10989121 is a deficient number, since it is larger than the sum of its proper divisors (1921343).

10989121 is a wasteful number, since it uses less digits than its factorization.

10989121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76871.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 10989121 is about 3314.9843136884. The cubic root of 10989121 is about 222.3246676631.

The spelling of 10989121 in words is "ten million, nine hundred eighty-nine thousand, one hundred twenty-one".