1081147804 has 24 divisors (see below), whose sum is σ = 2172643200. Its totient is φ = 465565680.

The previous prime is 1081147777. The next prime is 1081147817. The reversal of 1081147804 is 4087411801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081147804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645784 + ... + 647455.

It is an arithmetic number, because the mean of its divisors is an integer number (90526800).

Almost surely, 2^1081147804 is an apocalyptic number.

It is an amenable number.

1081147804 is an abundant number, since it is smaller than the sum of its proper divisors (1091495396).

1081147804 is a wasteful number, since it uses less digits than its factorization.

1081147804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293273 (or 1293271 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 1081147804 is about 32880.8120945940. The cubic root of 1081147804 is about 1026.3489054743.

The spelling of 1081147804 in words is "one billion, eighty-one million, one hundred forty-seven thousand, eight hundred four".