1121733841 has 4 divisors (see below), whose sum is σ = 1137100132. Its totient is φ = 1106367552.

The previous prime is 1121733827. The next prime is 1121733859. The reversal of 1121733841 is 1483371211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 778410000 + 343323841 = 27900^2 + 18529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121733841 - 2²¹ = 1119636689 is a prime.

It is a super-2 number, since 2×1121733841² = 2516573620089226562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121733881) 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, 7683036 + ... + 7683181.

It is an arithmetic number, because the mean of its divisors is an integer number (284275033).

Almost surely, 2^1121733841 is an apocalyptic number.

It is an amenable number.

1121733841 is a deficient number, since it is larger than the sum of its proper divisors (15366291).

1121733841 is an equidigital number, since it uses as much as digits as its factorization.

1121733841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366290.

The product of its digits is 4032, while the sum is 31.

The square root of 1121733841 is about 33492.2952483105. The cubic root of 1121733841 is about 1039.0344345020.

The spelling of 1121733841 in words is "one billion, one hundred twenty-one million, seven hundred thirty-three thousand, eight hundred forty-one".