1125210435403 has 4 divisors (see below), whose sum is σ = 1125217515168. Its totient is φ = 1125203355640.

The previous prime is 1125210435373. The next prime is 1125210435491. The reversal of 1125210435403 is 3045340125211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125210435403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125210435103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295876 + ... + 3621217.

It is an arithmetic number, because the mean of its divisors is an integer number (281304378792).

Almost surely, 2^{1125210435403} is an apocalyptic number.

1125210435403 is a deficient number, since it is larger than the sum of its proper divisors (7079765).

1125210435403 is an equidigital number, since it uses as much as digits as its factorization.

1125210435403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079764.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1125210435403 in words is "one trillion, one hundred twenty-five billion, two hundred ten million, four hundred thirty-five thousand, four hundred three".