1412231321 has 8 divisors (see below), whose sum is σ = 1424339400. Its totient is φ = 1400175360.

The previous prime is 1412231311. The next prime is 1412231341. The reversal of 1412231321 is 1231322141.

It can be written as a sum of positive squares in 4 ways, for example, as 1026305296 + 385926025 = 32036^2 + 19645^2 .

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 1412231321 - 2¹⁰ = 1412230297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1412231293 and 1412231302.

It is not an unprimeable number, because it can be changed into a prime (1412231311) 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, 42395 + ... + 67983.

It is an arithmetic number, because the mean of its divisors is an integer number (178042425).

Almost surely, 2^1412231321 is an apocalyptic number.

It is an amenable number.

1412231321 is a deficient number, since it is larger than the sum of its proper divisors (12108079).

1412231321 is a wasteful number, since it uses less digits than its factorization.

1412231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26059.

The product of its digits is 288, while the sum is 20.

The square root of 1412231321 is about 37579.6663236916. Note that the first 3 decimals coincide. The cubic root of 1412231321 is about 1121.9373677522.

Adding to 1412231321 its reverse (1231322141), we get a palindrome (2643553462).

The spelling of 1412231321 in words is "one billion, four hundred twelve million, two hundred thirty-one thousand, three hundred twenty-one".