1481239 has 2 divisors, whose sum is σ = 1481240. Its totient is φ = 1481238.

The previous prime is 1481231. The next prime is 1481257. The reversal of 1481239 is 9321841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1481239 - 2³ = 1481231 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 (1481231) 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, 740619 + 740620.

It is an arithmetic number, because the mean of its divisors is an integer number (740620).

2^1481239 is an apocalyptic number.

1481239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481239 is an equidigital number, since it uses as much as digits as its factorization.

1481239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 1481239 is about 1217.0616253913. The cubic root of 1481239 is about 113.9921765432.

The spelling of 1481239 in words is "one million, four hundred eighty-one thousand, two hundred thirty-nine".