1120421133 has 16 divisors (see below), whose sum is σ = 1787567040. Its totient is φ = 689489712.

The previous prime is 1120421129. The next prime is 1120421147. The reversal of 1120421133 is 3311240211.

1120421133 is a `hidden beast` number, since 112 + 0 + 421 + 133 = 666.

It is not a de Polignac number, because 1120421133 - 2² = 1120421129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120421173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595691 + ... + 1596392.

It is an arithmetic number, because the mean of its divisors is an integer number (111722940).

Almost surely, 2^1120421133 is an apocalyptic number.

1120421133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1120421133 is a deficient number, since it is larger than the sum of its proper divisors (667145907).

1120421133 is a wasteful number, since it uses less digits than its factorization.

1120421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192105 (or 3192099 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1120421133 is about 33472.6923476436. The cubic root of 1120421133 is about 1038.6289665962.

Adding to 1120421133 its reverse (3311240211), we get a palindrome (4431661344).

The spelling of 1120421133 in words is "one billion, one hundred twenty million, four hundred twenty-one thousand, one hundred thirty-three".