1100272 has 10 divisors (see below), whose sum is σ = 2131808. Its totient is φ = 550128.

The previous prime is 1100261. The next prime is 1100273. The reversal of 1100272 is 2720011.

1100272 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34368 + ... + 34399.

2^1100272 is an apocalyptic number.

It is an amenable number.

1100272 is a deficient number, since it is larger than the sum of its proper divisors (1031536).

1100272 is an equidigital number, since it uses as much as digits as its factorization.

1100272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68775 (or 68769 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1100272 is about 1048.9385110673. The cubic root of 1100272 is about 103.2365193351.

Adding to 1100272 its reverse (2720011), we get a palindrome (3820283).

The spelling of 1100272 in words is "one million, one hundred thousand, two hundred seventy-two".