1132121020 has 12 divisors (see below), whose sum is σ = 2377454184. Its totient is φ = 452848400.

The previous prime is 1132120991. The next prime is 1132121033. The reversal of 1132121020 is 201212311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28303006 + ... + 28303045.

It is an arithmetic number, because the mean of its divisors is an integer number (198121182).

Almost surely, 2^1132121020 is an apocalyptic number.

1132121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132121020 is an abundant number, since it is smaller than the sum of its proper divisors (1245333164).

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

1132121020 is a wasteful number, since it uses less digits than its factorization.

1132121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56606060 (or 56606058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1132121020 is about 33647.0061075276. The cubic root of 1132121020 is about 1042.2317152243.

Adding to 1132121020 its reverse (201212311), we get a palindrome (1333333331).

The spelling of 1132121020 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, twenty".