1118087 has 4 divisors (see below), whose sum is σ = 1132320. Its totient is φ = 1103856.

The previous prime is 1118081. The next prime is 1118101. The reversal of 1118087 is 7808111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7808111 = 107 ⋅72973.

It is a cyclic number.

It is not a de Polignac number, because 1118087 - 2⁶ = 1118023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118081) 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, 6998 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (283080).

2^1118087 is an apocalyptic number.

1118087 is a deficient number, since it is larger than the sum of its proper divisors (14233).

1118087 is an equidigital number, since it uses as much as digits as its factorization.

1118087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 1118087 is about 1057.3963306159. The cubic root of 1118087 is about 103.7907219059.

The spelling of 1118087 in words is "one million, one hundred eighteen thousand, eighty-seven".