1000018087 has 2 divisors, whose sum is σ = 1000018088. Its totient is φ = 1000018086.

The previous prime is 1000018073. The next prime is 1000018093. The reversal of 1000018087 is 7808100001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000018087 - 2⁷ = 1000017959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000018007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500009043 + 500009044.

It is an arithmetic number, because the mean of its divisors is an integer number (500009044).

Almost surely, 2^1000018087 is an apocalyptic number.

1000018087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000018087 is an equidigital number, since it uses as much as digits as its factorization.

1000018087 is an evil number, because the sum of its binary digits is even.

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

The square root of 1000018087 is about 31623.0625809709. The cubic root of 1000018087 is about 1000.0060289637.

Adding to 1000018087 its reverse (7808100001), we get a palindrome (8808118088).

The spelling of 1000018087 in words is "one billion, eighteen thousand, eighty-seven".