1424001321 has 12 divisors (see below), whose sum is σ = 2057393520. Its totient is φ = 949102200.

The previous prime is 1424001289. The next prime is 1424001349. The reversal of 1424001321 is 1231004241.

It is not a de Polignac number, because 1424001321 - 2⁵ = 1424001289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424001294 and 1424001303.

It is not an unprimeable number, because it can be changed into a prime (1424001361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24850 + ... + 58868.

It is an arithmetic number, because the mean of its divisors is an integer number (171449460).

Almost surely, 2^1424001321 is an apocalyptic number.

It is an amenable number.

1424001321 is a deficient number, since it is larger than the sum of its proper divisors (633392199).

1424001321 is a wasteful number, since it uses less digits than its factorization.

1424001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38676 (or 38673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1424001321 is about 37735.9420314373. The cubic root of 1424001321 is about 1125.0456135580.

Adding to 1424001321 its reverse (1231004241), we get a palindrome (2655005562).

The spelling of 1424001321 in words is "one billion, four hundred twenty-four million, one thousand, three hundred twenty-one".