1123040339 has 4 divisors (see below), whose sum is σ = 1123109520. Its totient is φ = 1122971160.

The previous prime is 1123040329. The next prime is 1123040357. The reversal of 1123040339 is 9330403211.

It is a happy number.

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: 9330403211 = 3167 ⋅2946133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123040339 is a prime.

It is a super-2 number, since 2×1123040339² = 2522439206042469842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123040329) 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, 4442 + ... + 47600.

It is an arithmetic number, because the mean of its divisors is an integer number (280777380).

Almost surely, 2^1123040339 is an apocalyptic number.

1123040339 is a deficient number, since it is larger than the sum of its proper divisors (69181).

1123040339 is an equidigital number, since it uses as much as digits as its factorization.

1123040339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69180.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1123040339 is about 33511.7940283716. The cubic root of 1123040339 is about 1039.4376702995.

The spelling of 1123040339 in words is "one billion, one hundred twenty-three million, forty thousand, three hundred thirty-nine".