1121204034 has 48 divisors (see below), whose sum is σ = 2474165304. Its totient is φ = 366854400.

The previous prime is 1121204033. The next prime is 1121204047. The reversal of 1121204034 is 4304021211.

It can be written as a sum of positive squares in 4 ways, for example, as 650097009 + 471107025 = 25497^2 + 21705^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1121203998 and 1121204016.

It is not an unprimeable number, because it can be changed into a prime (1121204033) 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 23 ways as a sum of consecutive naturals, for example, 848094 + ... + 849414.

Almost surely, 2^1121204034 is an apocalyptic number.

1121204034 is an abundant number, since it is smaller than the sum of its proper divisors (1352961270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121204034 is a wasteful number, since it uses less digits than its factorization.

1121204034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2160 counting only the distinct ones).

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

The square root of 1121204034 is about 33484.3849279033. The cubic root of 1121204034 is about 1038.8708263487.

Adding to 1121204034 its reverse (4304021211), we get a palindrome (5425225245).

The spelling of 1121204034 in words is "one billion, one hundred twenty-one million, two hundred four thousand, thirty-four".