1112001321 has 8 divisors (see below), whose sum is σ = 1510643520. Its totient is φ = 727346672.

The previous prime is 1112001313. The next prime is 1112001347. The reversal of 1112001321 is 1231002111.

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 1112001321 - 2³ = 1112001313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112001297 and 1112001306.

It is not an unprimeable number, because it can be changed into a prime (1112001301) 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, 3496701 + ... + 3497018.

It is an arithmetic number, because the mean of its divisors is an integer number (188830440).

Almost surely, 2^1112001321 is an apocalyptic number.

It is an amenable number.

1112001321 is a deficient number, since it is larger than the sum of its proper divisors (398642199).

1112001321 is an equidigital number, since it uses as much as digits as its factorization.

1112001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993775.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1112001321 is about 33346.6838081390. The cubic root of 1112001321 is about 1036.0207037225.

Adding to 1112001321 its reverse (1231002111), we get a palindrome (2343003432).

The spelling of 1112001321 in words is "one billion, one hundred twelve million, one thousand, three hundred twenty-one".