1133242403 has 4 divisors (see below), whose sum is σ = 1192886760. Its totient is φ = 1073598048.

The previous prime is 1133242399. The next prime is 1133242433. The reversal of 1133242403 is 3042423311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042423311 = 257 ⋅11838223.

It is a cyclic number.

It is not a de Polignac number, because 1133242403 - 2² = 1133242399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133242433) 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, 29822150 + ... + 29822187.

It is an arithmetic number, because the mean of its divisors is an integer number (298221690).

Almost surely, 2^1133242403 is an apocalyptic number.

1133242403 is a deficient number, since it is larger than the sum of its proper divisors (59644357).

1133242403 is an equidigital number, since it uses as much as digits as its factorization.

1133242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59644356.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1133242403 is about 33663.6659174250. The cubic root of 1133242403 is about 1042.5757170975.

Adding to 1133242403 its reverse (3042423311), we get a palindrome (4175665714).

It can be divided in two parts, 11332 and 42403, that added together give a palindrome (53735).

The spelling of 1133242403 in words is "one billion, one hundred thirty-three million, two hundred forty-two thousand, four hundred three".