1101444243 has 16 divisors (see below), whose sum is σ = 1503597216. Its totient is φ = 716970240.

The previous prime is 1101444209. The next prime is 1101444257. The reversal of 1101444243 is 3424441011.

It is not a de Polignac number, because 1101444243 - 2¹⁰ = 1101443219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101444293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105 + ... + 47037.

It is an arithmetic number, because the mean of its divisors is an integer number (93974826).

Almost surely, 2^1101444243 is an apocalyptic number.

1101444243 is a deficient number, since it is larger than the sum of its proper divisors (402152973).

1101444243 is a wasteful number, since it uses less digits than its factorization.

1101444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44134.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1101444243 is about 33188.0135440493. The cubic root of 1101444243 is about 1032.7316946475.

Adding to 1101444243 its reverse (3424441011), we get a palindrome (4525885254).

The spelling of 1101444243 in words is "one billion, one hundred one million, four hundred forty-four thousand, two hundred forty-three".