1087110521 has 24 divisors (see below), whose sum is σ = 1281843360. Its totient is φ = 919199232.

The previous prime is 1087110503. The next prime is 1087110527. The reversal of 1087110521 is 1250117801.

It is not a de Polignac number, because 1087110521 - 2¹⁰ = 1087109497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1087110527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1314110 + ... + 1314936.

It is an arithmetic number, because the mean of its divisors is an integer number (53410140).

Almost surely, 2^1087110521 is an apocalyptic number.

It is an amenable number.

1087110521 is a deficient number, since it is larger than the sum of its proper divisors (194732839).

1087110521 is a wasteful number, since it uses less digits than its factorization.

1087110521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 1087110521 is about 32971.3591014990. The cubic root of 1087110521 is about 1028.2322778658.

The spelling of 1087110521 in words is "one billion, eighty-seven million, one hundred ten thousand, five hundred twenty-one".