1100241243 has 12 divisors (see below), whose sum is σ = 1640503488. Its totient is φ = 709832880.

The previous prime is 1100241217. The next prime is 1100241251. The reversal of 1100241243 is 3421420011.

It is not a de Polignac number, because 1100241243 - 2¹³ = 1100233051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100241293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971480 + ... + 1972037.

It is an arithmetic number, because the mean of its divisors is an integer number (136708624).

Almost surely, 2^1100241243 is an apocalyptic number.

1100241243 is a deficient number, since it is larger than the sum of its proper divisors (540262245).

1100241243 is a wasteful number, since it uses less digits than its factorization.

1100241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943554 (or 3943551 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1100241243 is about 33169.8845792384. The cubic root of 1100241243 is about 1032.3555736833.

Adding to 1100241243 its reverse (3421420011), we get a palindrome (4521661254).

The spelling of 1100241243 in words is "one billion, one hundred million, two hundred forty-one thousand, two hundred forty-three".