1121833538 has 12 divisors (see below), whose sum is σ = 1957485222. Its totient is φ = 480785760.

The previous prime is 1121833529. The next prime is 1121833543. The reversal of 1121833538 is 8353381211.

It can be written as a sum of positive squares in only one way, i.e., 935319889 + 186513649 = 30583^2 + 13657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121833498 and 1121833507.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5723543 + ... + 5723738.

Almost surely, 2^1121833538 is an apocalyptic number.

1121833538 is a deficient number, since it is larger than the sum of its proper divisors (835651684).

1121833538 is a wasteful number, since it uses less digits than its factorization.

1121833538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11447297 (or 11447290 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1121833538 is about 33493.7835724780. The cubic root of 1121833538 is about 1039.0652158821.

The spelling of 1121833538 in words is "one billion, one hundred twenty-one million, eight hundred thirty-three thousand, five hundred thirty-eight".