1103103421 has 8 divisors (see below), whose sum is σ = 1304161920. Its totient is φ = 912913008.

The previous prime is 1103103383. The next prime is 1103103427. The reversal of 1103103421 is 1243013011.

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

It is not a de Polignac number, because 1103103421 - 2¹⁷ = 1102972349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103103395 and 1103103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103103427) 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, 2716801 + ... + 2717206.

It is an arithmetic number, because the mean of its divisors is an integer number (163020240).

Almost surely, 2^1103103421 is an apocalyptic number.

It is an amenable number.

1103103421 is a deficient number, since it is larger than the sum of its proper divisors (201058499).

1103103421 is an equidigital number, since it uses as much as digits as its factorization.

1103103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434043.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103103421 is about 33213.0007828260. Note that the first 3 decimals coincide. The cubic root of 1103103421 is about 1033.2499917407.

Adding to 1103103421 its reverse (1243013011), we get a palindrome (2346116432).

The spelling of 1103103421 in words is "one billion, one hundred three million, one hundred three thousand, four hundred twenty-one".