1120105403 has 4 divisors (see below), whose sum is σ = 1150378560. Its totient is φ = 1089832248.

The previous prime is 1120105391. The next prime is 1120105417. The reversal of 1120105403 is 3045010211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3045010211 = 4079 ⋅746509.

It is a cyclic number.

It is not a de Polignac number, because 1120105403 - 2⁴ = 1120105387 is a prime.

It is a super-2 number, since 2×1120105403² = 2509272227659584818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120105433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15136523 + ... + 15136596.

It is an arithmetic number, because the mean of its divisors is an integer number (287594640).

Almost surely, 2^1120105403 is an apocalyptic number.

1120105403 is a deficient number, since it is larger than the sum of its proper divisors (30273157).

1120105403 is an equidigital number, since it uses as much as digits as its factorization.

1120105403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30273156.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1120105403 is about 33467.9757828286. The cubic root of 1120105403 is about 1038.5313969945.

Adding to 1120105403 its reverse (3045010211), we get a palindrome (4165115614).

The spelling of 1120105403 in words is "one billion, one hundred twenty million, one hundred five thousand, four hundred three".