1018087 has 4 divisors (see below), whose sum is σ = 1163536. Its totient is φ = 872640.

The previous prime is 1018057. The next prime is 1018091. The reversal of 1018087 is 7808101.

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

It is a cyclic number.

It is not a de Polignac number, because 1018087 - 2⁷ = 1017959 is a prime.

It is a super-2 number, since 2×1018087² = 2073002279138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018007) 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, 72714 + ... + 72727.

It is an arithmetic number, because the mean of its divisors is an integer number (290884).

2^1018087 is an apocalyptic number.

1018087 is a deficient number, since it is larger than the sum of its proper divisors (145449).

1018087 is an equidigital number, since it uses as much as digits as its factorization.

1018087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145448.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1018087 is about 1009.0029732365. The cubic root of 1018087 is about 100.5993012058.

The spelling of 1018087 in words is "one million, eighteen thousand, eighty-seven".