1087863105 has 32 divisors (see below), whose sum is σ = 1996627968. Its totient is φ = 495460800.

The previous prime is 1087863097. The next prime is 1087863137. The reversal of 1087863105 is 5013687801.

It is not a de Polignac number, because 1087863105 - 2³ = 1087863097 is a prime.

It is a super-2 number, since 2×1087863105² = 2366892270440482050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9340 + ... + 47570.

It is an arithmetic number, because the mean of its divisors is an integer number (62394624).

Almost surely, 2^1087863105 is an apocalyptic number.

1087863105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087863105 is a deficient number, since it is larger than the sum of its proper divisors (908764863).

1087863105 is a wasteful number, since it uses less digits than its factorization.

1087863105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38517.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1087863105 is about 32982.7698200136. The cubic root of 1087863105 is about 1028.4694977391.

The spelling of 1087863105 in words is "one billion, eighty-seven million, eight hundred sixty-three thousand, one hundred five".