1123456276 has 24 divisors (see below), whose sum is σ = 2025684584. Its totient is φ = 544942080.

The previous prime is 1123456273. The next prime is 1123456277. The reversal of 1123456276 is 6726543211.

It can be written as a sum of positive squares in 4 ways, for example, as 61999876 + 1061456400 = 7874^2 + 32580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123456273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13725 + ... + 49348.

Almost surely, 2^1123456276 is an apocalyptic number.

It is an amenable number.

1123456276 is a deficient number, since it is larger than the sum of its proper divisors (902228308).

1123456276 is a wasteful number, since it uses less digits than its factorization.

1123456276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63211 (or 63209 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 1123456276 is about 33517.9992839668. Note that the first 3 decimals coincide. The cubic root of 1123456276 is about 1039.5659789059.

Adding to 1123456276 its reverse (6726543211), we get a palindrome (7849999487).

The spelling of 1123456276 in words is "one billion, one hundred twenty-three million, four hundred fifty-six thousand, two hundred seventy-six".