1126132403 has 4 divisors (see below), whose sum is σ = 1228508088. Its totient is φ = 1023756720.

The previous prime is 1126132387. The next prime is 1126132429. The reversal of 1126132403 is 3042316211.

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 1126132403 - 2⁴ = 1126132387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126132433) 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, 51187826 + ... + 51187847.

It is an arithmetic number, because the mean of its divisors is an integer number (307127022).

Almost surely, 2^1126132403 is an apocalyptic number.

1126132403 is a deficient number, since it is larger than the sum of its proper divisors (102375685).

1126132403 is a wasteful number, since it uses less digits than its factorization.

1126132403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102375684.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1126132403 is about 33557.8962838853. The cubic root of 1126132403 is about 1040.3907564551.

Adding to 1126132403 its reverse (3042316211), we get a palindrome (4168448614).

The spelling of 1126132403 in words is "one billion, one hundred twenty-six million, one hundred thirty-two thousand, four hundred three".