1080071892 has 36 divisors (see below), whose sum is σ = 2770936896. Its totient is φ = 354649680.

The previous prime is 1080071887. The next prime is 1080071933. The reversal of 1080071892 is 2981700801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221484 + ... + 226307.

Almost surely, 2^1080071892 is an apocalyptic number.

1080071892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1080071892 is an abundant number, since it is smaller than the sum of its proper divisors (1690865004).

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

1080071892 is a wasteful number, since it uses less digits than its factorization.

1080071892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447868 (or 447863 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1080071892 is about 32864.4472340552. The cubic root of 1080071892 is about 1026.0083329807.

The spelling of 1080071892 in words is "one billion, eighty million, seventy-one thousand, eight hundred ninety-two".