1460821 has 2 divisors, whose sum is σ = 1460822. Its totient is φ = 1460820.

The previous prime is 1460773. The next prime is 1460857. The reversal of 1460821 is 1280641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 703921 = 870^2 + 839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1460821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1460792 and 1460801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1460021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730410 + 730411.

It is an arithmetic number, because the mean of its divisors is an integer number (730411).

2^1460821 is an apocalyptic number.

It is an amenable number.

1460821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1460821 is an equidigital number, since it uses as much as digits as its factorization.

1460821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1460821 is about 1208.6442818299. The cubic root of 1460821 is about 113.4659798289.

The spelling of 1460821 in words is "one million, four hundred sixty thousand, eight hundred twenty-one".