1121044023 has 64 divisors (see below), whose sum is σ = 1917043200. Its totient is φ = 640327680.

The previous prime is 1121044007. The next prime is 1121044033. The reversal of 1121044023 is 3204401211.

1121044023 is a `hidden beast` number, since 11 + 210 + 440 + 2 + 3 = 666.

It is not a de Polignac number, because 1121044023 - 2⁴ = 1121044007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121043987 and 1121044005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121044033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1449865 + ... + 1450637.

It is an arithmetic number, because the mean of its divisors is an integer number (29953800).

Almost surely, 2^1121044023 is an apocalyptic number.

1121044023 is a deficient number, since it is larger than the sum of its proper divisors (795999177).

1121044023 is a wasteful number, since it uses less digits than its factorization.

1121044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1121044023 is about 33481.9955050472. The cubic root of 1121044023 is about 1038.8214036855.

Adding to 1121044023 its reverse (3204401211), we get a palindrome (4325445234).

The spelling of 1121044023 in words is "one billion, one hundred twenty-one million, forty-four thousand, twenty-three".