1103001320 has 16 divisors (see below), whose sum is σ = 2481753060. Its totient is φ = 441200512.

The previous prime is 1103001307. The next prime is 1103001323. The reversal of 1103001320 is 231003011.

It can be written as a sum of positive squares in 2 ways, for example, as 1046781316 + 56220004 = 32354^2 + 7498^2 .

It is a super-2 number, since 2×1103001320² = 2433223823843484800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13787477 + ... + 13787556.

Almost surely, 2^1103001320 is an apocalyptic number.

1103001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103001320 is an abundant number, since it is smaller than the sum of its proper divisors (1378751740).

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

1103001320 is a wasteful number, since it uses less digits than its factorization.

1103001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27575044 (or 27575040 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1103001320 is about 33211.4636834934. The cubic root of 1103001320 is about 1033.2181122540.

Adding to 1103001320 its reverse (231003011), we get a palindrome (1334004331).

The spelling of 1103001320 in words is "one billion, one hundred three million, one thousand, three hundred twenty".