1162820803 has 4 divisors (see below), whose sum is σ = 1191182328. Its totient is φ = 1134459280.

The previous prime is 1162820761. The next prime is 1162820807. The reversal of 1162820803 is 3080282611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1162820803 - 2⁹ = 1162820291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162820807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14180701 + ... + 14180782.

It is an arithmetic number, because the mean of its divisors is an integer number (297795582).

Almost surely, 2^1162820803 is an apocalyptic number.

1162820803 is a deficient number, since it is larger than the sum of its proper divisors (28361525).

1162820803 is an equidigital number, since it uses as much as digits as its factorization.

1162820803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28361524.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1162820803 is about 34100.1584013916. The cubic root of 1162820803 is about 1051.5685710757.

The spelling of 1162820803 in words is "one billion, one hundred sixty-two million, eight hundred twenty thousand, eight hundred three".