1123774648 has 16 divisors (see below), whose sum is σ = 2115280080. Its totient is φ = 559699968.

The previous prime is 1123774643. The next prime is 1123774651. The reversal of 1123774648 is 8464773211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123774643) 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, 271236 + ... + 275347.

It is an arithmetic number, because the mean of its divisors is an integer number (132205005).

Almost surely, 2^1123774648 is an apocalyptic number.

It is an amenable number.

1123774648 is a deficient number, since it is larger than the sum of its proper divisors (991505432).

1123774648 is a wasteful number, since it uses less digits than its factorization.

1123774648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546846 (or 546842 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 1123774648 is about 33522.7482166961. The cubic root of 1123774648 is about 1039.6641691805.

The spelling of 1123774648 in words is "one billion, one hundred twenty-three million, seven hundred seventy-four thousand, six hundred forty-eight".