1089871036 has 12 divisors (see below), whose sum is σ = 1909846512. Its totient is φ = 544200608.

The previous prime is 1089871019. The next prime is 1089871051. The reversal of 1089871036 is 6301789801.

It is a super-2 number, since 2×1089871036² = 2375637750223426592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1089870983 and 1089871001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180385 + ... + 186328.

It is an arithmetic number, because the mean of its divisors is an integer number (159153876).

Almost surely, 2^1089871036 is an apocalyptic number.

It is an amenable number.

1089871036 is a deficient number, since it is larger than the sum of its proper divisors (819975476).

1089871036 is a wasteful number, since it uses less digits than its factorization.

1089871036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367460 (or 367458 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1089871036 is about 33013.1948772002. The cubic root of 1089871036 is about 1029.1018771025.

The spelling of 1089871036 in words is "one billion, eighty-nine million, eight hundred seventy-one thousand, thirty-six".