1122065403 has 4 divisors (see below), whose sum is σ = 1496087208. Its totient is φ = 748043600.

The previous prime is 1122065389. The next prime is 1122065423. The reversal of 1122065403 is 3045602211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3045602211 = 3 ⋅1015200737.

It is a cyclic number.

It is not a de Polignac number, because 1122065403 - 2⁶ = 1122065339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122065423) 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, 187010898 + ... + 187010903.

It is an arithmetic number, because the mean of its divisors is an integer number (374021802).

Almost surely, 2^1122065403 is an apocalyptic number.

1122065403 is a deficient number, since it is larger than the sum of its proper divisors (374021805).

1122065403 is an equidigital number, since it uses as much as digits as its factorization.

1122065403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374021804.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1122065403 is about 33497.2447075875. The cubic root of 1122065403 is about 1039.1367969892.

Adding to 1122065403 its reverse (3045602211), we get a palindrome (4167667614).

The spelling of 1122065403 in words is "one billion, one hundred twenty-two million, sixty-five thousand, four hundred three".