1103121343 has 8 divisors (see below), whose sum is σ = 1143028080. Its totient is φ = 1063339200.

The previous prime is 1103121337. The next prime is 1103121403. The reversal of 1103121343 is 3431213011.

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-1103121343 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 1103121343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103124343) 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, 12933 + ... + 48718.

It is an arithmetic number, because the mean of its divisors is an integer number (142878510).

Almost surely, 2^1103121343 is an apocalyptic number.

1103121343 is a deficient number, since it is larger than the sum of its proper divisors (39906737).

1103121343 is an equidigital number, since it uses as much as digits as its factorization.

1103121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62297.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1103121343 is about 33213.2705857162. The cubic root of 1103121343 is about 1033.2555874100.

Adding to 1103121343 its reverse (3431213011), we get a palindrome (4534334354).

The spelling of 1103121343 in words is "one billion, one hundred three million, one hundred twenty-one thousand, three hundred forty-three".