1420462321 has 4 divisors (see below), whose sum is σ = 1421378532. Its totient is φ = 1419546112.

The previous prime is 1420462289. The next prime is 1420462327. The reversal of 1420462321 is 1232640241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143400625 + 1277061696 = 11975^2 + 35736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420462321 - 2⁵ = 1420462289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420462327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455776 + ... + 458881.

It is an arithmetic number, because the mean of its divisors is an integer number (355344633).

Almost surely, 2^1420462321 is an apocalyptic number.

It is an amenable number.

1420462321 is a deficient number, since it is larger than the sum of its proper divisors (916211).

1420462321 is an equidigital number, since it uses as much as digits as its factorization.

1420462321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916210.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1420462321 is about 37689.0212263465. The cubic root of 1420462321 is about 1124.1128336743.

The spelling of 1420462321 in words is "one billion, four hundred twenty million, four hundred sixty-two thousand, three hundred twenty-one".