1087201671 has 8 divisors (see below), whose sum is σ = 1449848064. Its totient is φ = 724678200.

The previous prime is 1087201669. The next prime is 1087201681. The reversal of 1087201671 is 1761027801.

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

It is not a de Polignac number, because 1087201671 - 2¹ = 1087201669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087201631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7605 + ... + 47246.

It is an arithmetic number, because the mean of its divisors is an integer number (181231008).

Almost surely, 2^1087201671 is an apocalyptic number.

1087201671 is a deficient number, since it is larger than the sum of its proper divisors (362646393).

1087201671 is an equidigital number, since it uses as much as digits as its factorization.

1087201671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61461.

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 1087201671 is about 32972.7413328040. The cubic root of 1087201671 is about 1028.2610148252.

The spelling of 1087201671 in words is "one billion, eighty-seven million, two hundred one thousand, six hundred seventy-one".