1128673603 has 4 divisors (see below), whose sum is σ = 1128744400. Its totient is φ = 1128602808.

The previous prime is 1128673583. The next prime is 1128673607. The reversal of 1128673603 is 3063768211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3063768211 = 7 ⋅437681173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128673603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128673607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973 + ... + 47521.

It is an arithmetic number, because the mean of its divisors is an integer number (282186100).

Almost surely, 2^1128673603 is an apocalyptic number.

1128673603 is a deficient number, since it is larger than the sum of its proper divisors (70797).

1128673603 is an equidigital number, since it uses as much as digits as its factorization.

1128673603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70796.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1128673603 is about 33595.7378695572. The cubic root of 1128673603 is about 1041.1727411191.

The spelling of 1128673603 in words is "one billion, one hundred twenty-eight million, six hundred seventy-three thousand, six hundred three".