1461321 has 10 divisors (see below), whose sum is σ = 2183082. Its totient is φ = 974160.

The previous prime is 1461311. The next prime is 1461329. The reversal of 1461321 is 1231641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 585225 = 936^2 + 765^2 .

It is not a de Polignac number, because 1461321 - 2⁵ = 1461289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1461294 and 1461303.

It is not an unprimeable number, because it can be changed into a prime (1461329) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8940 + ... + 9101.

2^1461321 is an apocalyptic number.

It is an amenable number.

1461321 is a deficient number, since it is larger than the sum of its proper divisors (721761).

1461321 is an equidigital number, since it uses as much as digits as its factorization.

1461321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18053 (or 18044 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1461321 is about 1208.8511074570. The cubic root of 1461321 is about 113.4789238101.

Adding to 1461321 its reverse (1231641), we get a palindrome (2692962).

The spelling of 1461321 in words is "one million, four hundred sixty-one thousand, three hundred twenty-one".