1101340243 has 8 divisors (see below), whose sum is σ = 1105513920. Its totient is φ = 1097174760.

The previous prime is 1101340217. The next prime is 1101340249. The reversal of 1101340243 is 3420431011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101340243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101340243.

It is not an unprimeable number, because it can be changed into a prime (1101340249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405496 + ... + 408202.

It is an arithmetic number, because the mean of its divisors is an integer number (138189240).

Almost surely, 2^1101340243 is an apocalyptic number.

1101340243 is a deficient number, since it is larger than the sum of its proper divisors (4173677).

1101340243 is an equidigital number, since it uses as much as digits as its factorization.

1101340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1101340243 is about 33186.4466763165. The cubic root of 1101340243 is about 1032.6991896047.

Adding to 1101340243 its reverse (3420431011), we get a palindrome (4521771254).

The spelling of 1101340243 in words is "one billion, one hundred one million, three hundred forty thousand, two hundred forty-three".