1125606803 has 2 divisors, whose sum is σ = 1125606804. Its totient is φ = 1125606802.

The previous prime is 1125606799. The next prime is 1125606817. The reversal of 1125606803 is 3086065211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125606803 - 2² = 1125606799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125606803.

It is not a weakly prime, because it can be changed into another prime (1125606863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562803401 + 562803402.

It is an arithmetic number, because the mean of its divisors is an integer number (562803402).

Almost surely, 2^1125606803 is an apocalyptic number.

1125606803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125606803 is an equidigital number, since it uses as much as digits as its factorization.

1125606803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1125606803 is about 33550.0641281056. The cubic root of 1125606803 is about 1040.2288706721.

The spelling of 1125606803 in words is "one billion, one hundred twenty-five million, six hundred six thousand, eight hundred three".