1108987 has 8 divisors (see below), whose sum is σ = 1218672. Its totient is φ = 1000800.

The previous prime is 1108967. The next prime is 1108993. The reversal of 1108987 is 7898011.

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

It is a cyclic number.

It is not a de Polignac number, because 1108987 - 2¹¹ = 1106939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108907) 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, 1713 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

2^1108987 is an apocalyptic number.

1108987 is a deficient number, since it is larger than the sum of its proper divisors (109685).

1108987 is a wasteful number, since it uses less digits than its factorization.

1108987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1108987 is about 1053.0845170261. The cubic root of 1108987 is about 103.5083736914.

The spelling of 1108987 in words is "one million, one hundred eight thousand, nine hundred eighty-seven".