1162216003 has 4 divisors (see below), whose sum is σ = 1251617248. Its totient is φ = 1072814760.

The previous prime is 1162216001. The next prime is 1162216031. The reversal of 1162216003 is 3006122611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3006122611 = 5507 ⋅545873.

It is a cyclic number.

It is not a de Polignac number, because 1162216003 - 2¹ = 1162216001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162216001) 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, 44700603 + ... + 44700628.

It is an arithmetic number, because the mean of its divisors is an integer number (312904312).

Almost surely, 2^1162216003 is an apocalyptic number.

1162216003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1162216003 is a deficient number, since it is larger than the sum of its proper divisors (89401245).

1162216003 is an equidigital number, since it uses as much as digits as its factorization.

1162216003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89401244.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1162216003 is about 34091.2892540015. The cubic root of 1162216003 is about 1051.3862274264.

Adding to 1162216003 its reverse (3006122611), we get a palindrome (4168338614).

The spelling of 1162216003 in words is "one billion, one hundred sixty-two million, two hundred sixteen thousand, three".