1081087200 has 108 divisors (see below), whose sum is σ = 3812209128. Its totient is φ = 288288000.

The previous prime is 1081087187. The next prime is 1081087223. The reversal of 1081087200 is 27801801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67876 + ... + 82275.

Almost surely, 2^1081087200 is an apocalyptic number.

1081087200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081087200 is an abundant number, since it is smaller than the sum of its proper divisors (2731121928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081087200 is a wasteful number, since it uses less digits than its factorization.

1081087200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150177 (or 150161 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1081087200 is about 32879.8905107666. The cubic root of 1081087200 is about 1026.3297277044.

The spelling of 1081087200 in words is "one billion, eighty-one million, eighty-seven thousand, two hundred".