1103344421 has 16 divisors (see below), whose sum is σ = 1233115200. Its totient is φ = 981082368.

The previous prime is 1103344381. The next prime is 1103344423. The reversal of 1103344421 is 1244433011.

It is a cyclic number.

It is not a de Polignac number, because 1103344421 - 2⁶ = 1103344357 is a prime.

It is a super-2 number, since 2×1103344421² = 2434737822703650482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103344423) 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, 117911 + ... + 126923.

It is an arithmetic number, because the mean of its divisors is an integer number (77069700).

Almost surely, 2^1103344421 is an apocalyptic number.

It is an amenable number.

1103344421 is a deficient number, since it is larger than the sum of its proper divisors (129770779).

1103344421 is a wasteful number, since it uses less digits than its factorization.

1103344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1103344421 is about 33216.6286820321. The cubic root of 1103344421 is about 1033.3252325299.

Adding to 1103344421 its reverse (1244433011), we get a palindrome (2347777432).

The spelling of 1103344421 in words is "one billion, one hundred three million, three hundred forty-four thousand, four hundred twenty-one".