1481021 has 2 divisors, whose sum is σ = 1481022. Its totient is φ = 1481020.

The previous prime is 1481003. The next prime is 1481027. The reversal of 1481021 is 1201841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 7225 = 1214^2 + 85^2 .

It is an emirp because it is prime and its reverse (1201841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1481021 - 2¹⁰ = 1479997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740510 + 740511.

It is an arithmetic number, because the mean of its divisors is an integer number (740511).

2^1481021 is an apocalyptic number.

It is an amenable number.

1481021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481021 is an equidigital number, since it uses as much as digits as its factorization.

1481021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1481021 is about 1216.9720621280. The cubic root of 1481021 is about 113.9865840373.

Adding to 1481021 its reverse (1201841), we get a palindrome (2682862).

The spelling of 1481021 in words is "one million, four hundred eighty-one thousand, twenty-one".