1126643603 has 2 divisors, whose sum is σ = 1126643604. Its totient is φ = 1126643602.

The previous prime is 1126643579. The next prime is 1126643611. The reversal of 1126643603 is 3063466211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1126643603 - 2⁸ = 1126643347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126643603.

It is not a weakly prime, because it can be changed into another prime (1126643663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563321801 + 563321802.

It is an arithmetic number, because the mean of its divisors is an integer number (563321802).

Almost surely, 2^1126643603 is an apocalyptic number.

1126643603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126643603 is an equidigital number, since it uses as much as digits as its factorization.

1126643603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1126643603 is about 33565.5121069231. The cubic root of 1126643603 is about 1040.5481586982.

The spelling of 1126643603 in words is "one billion, one hundred twenty-six million, six hundred forty-three thousand, six hundred three".