1120434021 has 12 divisors (see below), whose sum is σ = 1849605472. Its totient is φ = 640247976.

The previous prime is 1120434017. The next prime is 1120434041. The reversal of 1120434021 is 1204340211.

It is not a de Polignac number, because 1120434021 - 2² = 1120434017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120433985 and 1120434003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120434001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8892271 + ... + 8892396.

Almost surely, 2^1120434021 is an apocalyptic number.

It is an amenable number.

1120434021 is a deficient number, since it is larger than the sum of its proper divisors (729171451).

1120434021 is a wasteful number, since it uses less digits than its factorization.

1120434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784680 (or 17784677 counting only the distinct ones).

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

The square root of 1120434021 is about 33472.8848622284. The cubic root of 1120434021 is about 1038.6329489675.

Adding to 1120434021 its reverse (1204340211), we get a palindrome (2324774232).

The spelling of 1120434021 in words is "one billion, one hundred twenty million, four hundred thirty-four thousand, twenty-one".