1087100521 has 8 divisors (see below), whose sum is σ = 1171195200. Its totient is φ = 1003073232.

The previous prime is 1087100519. The next prime is 1087100533. The reversal of 1087100521 is 1250017801.

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 1087100521 - 2¹ = 1087100519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087100621) 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, 19596 + ... + 50578.

It is an arithmetic number, because the mean of its divisors is an integer number (146399400).

Almost surely, 2^1087100521 is an apocalyptic number.

It is an amenable number.

1087100521 is a deficient number, since it is larger than the sum of its proper divisors (84094679).

1087100521 is a wasteful number, since it uses less digits than its factorization.

1087100521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33695.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1087100521 is about 32971.2074543836. The cubic root of 1087100521 is about 1028.2291250572.

The spelling of 1087100521 in words is "one billion, eighty-seven million, one hundred thousand, five hundred twenty-one".