1415401321 has 4 divisors (see below), whose sum is σ = 1417151700. Its totient is φ = 1413650944.

The previous prime is 1415401291. The next prime is 1415401363. The reversal of 1415401321 is 1231045141.

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 1293409296 + 121992025 = 35964^2 + 11045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415401321 - 2¹³ = 1415393129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415401292 and 1415401301.

It is not an unprimeable number, because it can be changed into a prime (1415401021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873976 + ... + 875593.

It is an arithmetic number, because the mean of its divisors is an integer number (354287925).

Almost surely, 2^1415401321 is an apocalyptic number.

It is an amenable number.

1415401321 is a deficient number, since it is larger than the sum of its proper divisors (1750379).

1415401321 is an equidigital number, since it uses as much as digits as its factorization.

1415401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750378.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1415401321 is about 37621.8197459931. The cubic root of 1415401321 is about 1122.7762019251.

Adding to 1415401321 its reverse (1231045141), we get a palindrome (2646446462).

The spelling of 1415401321 in words is "one billion, four hundred fifteen million, four hundred one thousand, three hundred twenty-one".