1421449 has 2 divisors, whose sum is σ = 1421450. Its totient is φ = 1421448.

The previous prime is 1421437. The next prime is 1421461. The reversal of 1421449 is 9441241.

It is a balanced prime because it is at equal distance from previous prime (1421437) and next prime (1421461).

It can be written as a sum of positive squares in only one way, i.e., 921600 + 499849 = 960^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421449 - 2⁵ = 1421417 is a prime.

1421449 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1421479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710724 + 710725.

It is an arithmetic number, because the mean of its divisors is an integer number (710725).

2^1421449 is an apocalyptic number.

It is an amenable number.

1421449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421449 is an equidigital number, since it uses as much as digits as its factorization.

1421449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1421449 is about 1192.2453606536. The cubic root of 1421449 is about 112.4373049849.

The spelling of 1421449 in words is "one million, four hundred twenty-one thousand, four hundred forty-nine".