1108387 has 4 divisors (see below), whose sum is σ = 1266736. Its totient is φ = 950040.

The previous prime is 1108369. The next prime is 1108397. The reversal of 1108387 is 7838011.

It is a happy number.

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

It is not a de Polignac number, because 1108387 - 2⁷ = 1108259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108337) 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, 79164 + ... + 79177.

It is an arithmetic number, because the mean of its divisors is an integer number (316684).

2^1108387 is an apocalyptic number.

1108387 is a deficient number, since it is larger than the sum of its proper divisors (158349).

1108387 is an equidigital number, since it uses as much as digits as its factorization.

1108387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158348.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1108387 is about 1052.7996010638. The cubic root of 1108387 is about 103.4897031305.

The spelling of 1108387 in words is "one million, one hundred eight thousand, three hundred eighty-seven".