1123942936 has 16 divisors (see below), whose sum is σ = 2114130600. Its totient is φ = 560174784.

The previous prime is 1123942933. The next prime is 1123942943. The reversal of 1123942936 is 6392493211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123942933) 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, 221926 + ... + 226933.

Almost surely, 2^1123942936 is an apocalyptic number.

It is an amenable number.

1123942936 is a deficient number, since it is larger than the sum of its proper divisors (990187664).

1123942936 is a wasteful number, since it uses less digits than its factorization.

1123942936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449178 (or 449174 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 1123942936 is about 33525.2581794682. The cubic root of 1123942936 is about 1039.7160640069.

The spelling of 1123942936 in words is "one billion, one hundred twenty-three million, nine hundred forty-two thousand, nine hundred thirty-six".