1123774641 has 72 divisors (see below), whose sum is σ = 1921593024. Its totient is φ = 650501280.

The previous prime is 1123774637. The next prime is 1123774643. The reversal of 1123774641 is 1464773211.

1123774641 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 7 + 7 + 4 + 641 = 666.

It is not a de Polignac number, because 1123774641 - 2² = 1123774637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123774596 and 1123774605.

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 71 ways as a sum of consecutive naturals, for example, 1659595 + ... + 1660271.

It is an arithmetic number, because the mean of its divisors is an integer number (26688792).

Almost surely, 2^1123774641 is an apocalyptic number.

1123774641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123774641 is a deficient number, since it is larger than the sum of its proper divisors (797818383).

1123774641 is an frugal number, since it uses more digits than its factorization.

1123774641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 714 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1123774641 is about 33522.7481122894. The cubic root of 1123774641 is about 1039.6641670218.

The spelling of 1123774641 in words is "one billion, one hundred twenty-three million, seven hundred seventy-four thousand, six hundred forty-one".