1132240021 has 8 divisors (see below), whose sum is σ = 1288874304. Its totient is φ = 984556320.

The previous prime is 1132240003. The next prime is 1132240033. The reversal of 1132240021 is 1200422311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1132240021 - 2⁵ = 1132239989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132239977 and 1132240004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132240061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237376 + ... + 2237881.

It is an arithmetic number, because the mean of its divisors is an integer number (161109288).

Almost surely, 2^1132240021 is an apocalyptic number.

1132240021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132240021 is a deficient number, since it is larger than the sum of its proper divisors (156634283).

1132240021 is a wasteful number, since it uses less digits than its factorization.

1132240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475291.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1132240021 is about 33648.7744353342. The cubic root of 1132240021 is about 1042.2682314238.

Adding to 1132240021 its reverse (1200422311), we get a palindrome (2332662332).

The spelling of 1132240021 in words is "one billion, one hundred thirty-two million, two hundred forty thousand, twenty-one".