109520889 has 8 divisors (see below), whose sum is σ = 146090592. Its totient is φ = 72982560.

The previous prime is 109520821. The next prime is 109520893. The reversal of 109520889 is 988025901.

It is a happy number.

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

It is not a de Polignac number, because 109520889 - 2¹¹ = 109518841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109520889.

It is not an unprimeable number, because it can be changed into a prime (109520809) 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, 2109 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (18261324).

Almost surely, 2^109520889 is an apocalyptic number.

It is an amenable number.

109520889 is a deficient number, since it is larger than the sum of its proper divisors (36569703).

109520889 is a wasteful number, since it uses less digits than its factorization.

109520889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 109520889 is about 10465.2228356591. Note that the first 3 decimals coincide. The cubic root of 109520889 is about 478.4453302670.

The spelling of 109520889 in words is "one hundred nine million, five hundred twenty thousand, eight hundred eighty-nine".