1125099803 has 2 divisors, whose sum is σ = 1125099804. Its totient is φ = 1125099802.

The previous prime is 1125099793. The next prime is 1125099821. The reversal of 1125099803 is 3089905211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125099803 - 2¹² = 1125095707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1125099203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562549901 + 562549902.

It is an arithmetic number, because the mean of its divisors is an integer number (562549902).

Almost surely, 2^1125099803 is an apocalyptic number.

1125099803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125099803 is an equidigital number, since it uses as much as digits as its factorization.

1125099803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1125099803 is about 33542.5074047842. The cubic root of 1125099803 is about 1040.0726659655.

The spelling of 1125099803 in words is "one billion, one hundred twenty-five million, ninety-nine thousand, eight hundred three".