1118013087 has 8 divisors (see below), whose sum is σ = 1493269936. Its totient is φ = 744049152.

The previous prime is 1118013077. The next prime is 1118013089. The reversal of 1118013087 is 7803108111.

It is a happy number.

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

It is not a de Polignac number, because 1118013087 - 2²⁶ = 1050904223 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 (1118013089) 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, 321208 + ... + 324669.

It is an arithmetic number, because the mean of its divisors is an integer number (186658742).

Almost surely, 2^1118013087 is an apocalyptic number.

1118013087 is a deficient number, since it is larger than the sum of its proper divisors (375256849).

1118013087 is an equidigital number, since it uses as much as digits as its factorization.

1118013087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646457.

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 1118013087 is about 33436.7026932980. The cubic root of 1118013087 is about 1037.8843476940.

The spelling of 1118013087 in words is "one billion, one hundred eighteen million, thirteen thousand, eighty-seven".