1075836820 has 12 divisors (see below), whose sum is σ = 2259257364. Its totient is φ = 430334720.

The previous prime is 1075836793. The next prime is 1075836841. The reversal of 1075836820 is 286385701.

It can be written as a sum of positive squares in 2 ways, for example, as 340993156 + 734843664 = 18466^2 + 27108^2 .

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, 26895901 + ... + 26895940.

It is an arithmetic number, because the mean of its divisors is an integer number (188271447).

Almost surely, 2^1075836820 is an apocalyptic number.

1075836820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075836820 is an abundant number, since it is smaller than the sum of its proper divisors (1183420544).

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

1075836820 is a wasteful number, since it uses less digits than its factorization.

1075836820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53791850 (or 53791848 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1075836820 is about 32799.9515243544. The cubic root of 1075836820 is about 1024.6655486258.

The spelling of 1075836820 in words is "one billion, seventy-five million, eight hundred thirty-six thousand, eight hundred twenty".