109414987 has 4 divisors (see below), whose sum is σ = 119361816. Its totient is φ = 99468160.

The previous prime is 109414967. The next prime is 109414993. The reversal of 109414987 is 789414901.

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

It is not a de Polignac number, because 109414987 - 2⁷ = 109414859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109414967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973398 + ... + 4973419.

It is an arithmetic number, because the mean of its divisors is an integer number (29840454).

Almost surely, 2^109414987 is an apocalyptic number.

109414987 is a deficient number, since it is larger than the sum of its proper divisors (9946829).

109414987 is an equidigital number, since it uses as much as digits as its factorization.

109414987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946828.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 109414987 is about 10460.1619012327. The cubic root of 109414987 is about 478.2910685002.

The spelling of 109414987 in words is "one hundred nine million, four hundred fourteen thousand, nine hundred eighty-seven".