1481321 has 2 divisors, whose sum is σ = 1481322. Its totient is φ = 1481320.

The previous prime is 1481309. The next prime is 1481339. The reversal of 1481321 is 1231841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 67600 = 1189^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481321 - 2⁶ = 1481257 is a prime.

It is a Chen prime.

It is equal to p₁₁₂₈₄₄ and since 1481321 and 112844 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1481293 and 1481302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740660 + 740661.

It is an arithmetic number, because the mean of its divisors is an integer number (740661).

2^1481321 is an apocalyptic number.

It is an amenable number.

1481321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481321 is an equidigital number, since it uses as much as digits as its factorization.

1481321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1481321 is about 1217.0953126194. The cubic root of 1481321 is about 113.9942800044.

The spelling of 1481321 in words is "one million, four hundred eighty-one thousand, three hundred twenty-one".