1087512481 has 8 divisors (see below), whose sum is σ = 1248818400. Its totient is φ = 936613440.

The previous prime is 1087512421. The next prime is 1087512497. The reversal of 1087512481 is 1842157801.

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 1087512481 - 2⁹ = 1087511969 is a prime.

It is a super-2 number, since 2×1087512481² = 2365366792661550722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087512481.

It is not an unprimeable number, because it can be changed into a prime (1087512421) 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, 2601496 + ... + 2601913.

It is an arithmetic number, because the mean of its divisors is an integer number (156102300).

Almost surely, 2^1087512481 is an apocalyptic number.

1087512481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1087512481 is a deficient number, since it is larger than the sum of its proper divisors (161305919).

1087512481 is a wasteful number, since it uses less digits than its factorization.

1087512481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203439.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 1087512481 is about 32977.4541315730. The cubic root of 1087512481 is about 1028.3589921567.

The spelling of 1087512481 in words is "one billion, eighty-seven million, five hundred twelve thousand, four hundred eighty-one".