1122504021 has 16 divisors (see below), whose sum is σ = 1750494400. Its totient is φ = 708949584.

The previous prime is 1122504011. The next prime is 1122504049. The reversal of 1122504021 is 1204052211.

1122504021 is a `hidden beast` number, since 1 + 12 + 250 + 402 + 1 = 666.

It is not a de Polignac number, because 1122504021 - 2⁵ = 1122503989 is a prime.

It is a super-2 number, since 2×1122504021² = 2520030554322336882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122503985 and 1122504003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122504011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093546 + ... + 1094571.

It is an arithmetic number, because the mean of its divisors is an integer number (109405900).

Almost surely, 2^1122504021 is an apocalyptic number.

It is an amenable number.

1122504021 is a deficient number, since it is larger than the sum of its proper divisors (627990379).

1122504021 is a wasteful number, since it uses less digits than its factorization.

1122504021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188145 (or 2188139 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1122504021 is about 33503.7911436900. The cubic root of 1122504021 is about 1039.2721796880.

Adding to 1122504021 its reverse (1204052211), we get a palindrome (2326556232).

The spelling of 1122504021 in words is "one billion, one hundred twenty-two million, five hundred four thousand, twenty-one".