1129560403 has 4 divisors (see below), whose sum is σ = 1130761728. Its totient is φ = 1128359080.

The previous prime is 1129560391. The next prime is 1129560409. The reversal of 1129560403 is 3040659211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3040659211 = 31 ⋅98085781.

It is a cyclic number.

It is not a de Polignac number, because 1129560403 - 2⁹ = 1129559891 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129560409) 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, 599251 + ... + 601132.

It is an arithmetic number, because the mean of its divisors is an integer number (282690432).

Almost surely, 2^1129560403 is an apocalyptic number.

1129560403 is a deficient number, since it is larger than the sum of its proper divisors (1201325).

1129560403 is an equidigital number, since it uses as much as digits as its factorization.

1129560403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201324.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1129560403 is about 33608.9333808736. The cubic root of 1129560403 is about 1041.4453532289.

The spelling of 1129560403 in words is "one billion, one hundred twenty-nine million, five hundred sixty thousand, four hundred three".