1103272730 has 48 divisors (see below), whose sum is σ = 2319371496. Its totient is φ = 376750080.

The previous prime is 1103272721. The next prime is 1103272739. The reversal of 1103272730 is 372723011.

It is an interprime number because it is at equal distance from previous prime (1103272721) and next prime (1103272739).

It can be written as a sum of positive squares in 4 ways, for example, as 949934041 + 153338689 = 30821^2 + 12383^2 .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 1103272730.

It is not an unprimeable number, because it can be changed into a prime (1103272739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121550 + ... + 130310.

Almost surely, 2^1103272730 is an apocalyptic number.

1103272730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103272730 is an abundant number, since it is smaller than the sum of its proper divisors (1216098766).

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

1103272730 is a wasteful number, since it uses less digits than its factorization.

1103272730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9032 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1103272730 is about 33215.5495212709. The cubic root of 1103272730 is about 1033.3028515693.

Adding to 1103272730 its reverse (372723011), we get a palindrome (1475995741).

The spelling of 1103272730 in words is "one billion, one hundred three million, two hundred seventy-two thousand, seven hundred thirty".