1123140434 has 8 divisors (see below), whose sum is σ = 1814303820. Its totient is φ = 518372496.

The previous prime is 1123140419. The next prime is 1123140443. The reversal of 1123140434 is 4340413211.

It can be written as a sum of positive squares in 2 ways, for example, as 1040385025 + 82755409 = 32255^2 + 9097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123140434² = 2522888868971416712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21598829 + ... + 21598880.

Almost surely, 2^1123140434 is an apocalyptic number.

1123140434 is a deficient number, since it is larger than the sum of its proper divisors (691163386).

1123140434 is a wasteful number, since it uses less digits than its factorization.

1123140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43197724.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1123140434 is about 33513.2874245425. The cubic root of 1123140434 is about 1039.4685505862.

Adding to 1123140434 its reverse (4340413211), we get a palindrome (5463553645).

The spelling of 1123140434 in words is "one billion, one hundred twenty-three million, one hundred forty thousand, four hundred thirty-four".