1120342403 has 4 divisors (see below), whose sum is σ = 1120496088. Its totient is φ = 1120188720.

The previous prime is 1120342373. The next prime is 1120342459. The reversal of 1120342403 is 3042430211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120342403 - 2⁸ = 1120342147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120342303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65333 + ... + 80678.

It is an arithmetic number, because the mean of its divisors is an integer number (280124022).

Almost surely, 2^1120342403 is an apocalyptic number.

1120342403 is a deficient number, since it is larger than the sum of its proper divisors (153685).

1120342403 is an equidigital number, since it uses as much as digits as its factorization.

1120342403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153684.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1120342403 is about 33471.5162937086. The cubic root of 1120342403 is about 1038.6046384897.

Adding to 1120342403 its reverse (3042430211), we get a palindrome (4162772614).

The spelling of 1120342403 in words is "one billion, one hundred twenty million, three hundred forty-two thousand, four hundred three".