1103974272 has 112 divisors (see below), whose sum is σ = 3297755880. Its totient is φ = 367960320.

The previous prime is 1103974247. The next prime is 1103974301. The reversal of 1103974272 is 2724793011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 87397 + ... + 99227.

Almost surely, 2^1103974272 is an apocalyptic number.

1103974272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103974272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648877940).

1103974272 is an abundant number, since it is smaller than the sum of its proper divisors (2193781608).

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

1103974272 is an frugal number, since it uses more digits than its factorization.

1103974272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11863 (or 11836 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1103974272 is about 33226.1082885131. The cubic root of 1103974272 is about 1033.5218218306.

The spelling of 1103974272 in words is "one billion, one hundred three million, nine hundred seventy-four thousand, two hundred seventy-two".