1126402003 has 2 divisors, whose sum is σ = 1126402004. Its totient is φ = 1126402002.

The previous prime is 1126402001. The next prime is 1126402049. The reversal of 1126402003 is 3002046211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126402003 - 2¹ = 1126402001 is a prime.

Together with 1126402001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1126402001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563201001 + 563201002.

It is an arithmetic number, because the mean of its divisors is an integer number (563201002).

Almost surely, 2^1126402003 is an apocalyptic number.

1126402003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126402003 is an equidigital number, since it uses as much as digits as its factorization.

1126402003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1126402003 is about 33561.9129818311. The cubic root of 1126402003 is about 1040.4737742148.

Adding to 1126402003 its reverse (3002046211), we get a palindrome (4128448214).

The spelling of 1126402003 in words is "one billion, one hundred twenty-six million, four hundred two thousand, three".