1087144005 has 8 divisors (see below), whose sum is σ = 1739430432. Its totient is φ = 579810128.

The previous prime is 1087143973. The next prime is 1087144031. The reversal of 1087144005 is 5004417801.

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

It is a cyclic number.

It is not a de Polignac number, because 1087144005 - 2⁵ = 1087143973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36238119 + ... + 36238148.

It is an arithmetic number, because the mean of its divisors is an integer number (217428804).

Almost surely, 2^1087144005 is an apocalyptic number.

1087144005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087144005 is a deficient number, since it is larger than the sum of its proper divisors (652286427).

1087144005 is an equidigital number, since it uses as much as digits as its factorization.

1087144005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72476275.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1087144005 is about 32971.8668716225. The cubic root of 1087144005 is about 1028.2428345895.

The spelling of 1087144005 in words is "one billion, eighty-seven million, one hundred forty-four thousand, five".