1133312421 has 8 divisors (see below), whose sum is σ = 1511493984. Its totient is φ = 755336240.

The previous prime is 1133312359. The next prime is 1133312449. The reversal of 1133312421 is 1242133311.

1133312421 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1133312421 - 2⁶ = 1133312357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133312471) 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, 37971 + ... + 60896.

It is an arithmetic number, because the mean of its divisors is an integer number (188936748).

Almost surely, 2^1133312421 is an apocalyptic number.

It is an amenable number.

1133312421 is a deficient number, since it is larger than the sum of its proper divisors (378181563).

1133312421 is an equidigital number, since it uses as much as digits as its factorization.

1133312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102691.

The product of its digits is 432, while the sum is 21.

The square root of 1133312421 is about 33664.7058653421. The cubic root of 1133312421 is about 1042.5971886917.

Adding to 1133312421 its reverse (1242133311), we get a palindrome (2375445732).

The spelling of 1133312421 in words is "one billion, one hundred thirty-three million, three hundred twelve thousand, four hundred twenty-one".