1054439 has 2 divisors, whose sum is σ = 1054440. Its totient is φ = 1054438.

The previous prime is 1054429. The next prime is 1054441. The reversal of 1054439 is 9344501.

It is a strong prime.

It is an emirp because it is prime and its reverse (9344501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1054439 - 2⁴ = 1054423 is a prime.

It is a super-2 number, since 2×1054439² = 2223683209442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1054441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527219 + 527220.

It is an arithmetic number, because the mean of its divisors is an integer number (527220).

2^1054439 is an apocalyptic number.

1054439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054439 is an equidigital number, since it uses as much as digits as its factorization.

1054439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1054439 is about 1026.8588023677. The cubic root of 1054439 is about 101.7826655318.

It can be divided in two parts, 105 and 4439, that multiplied together give a triangular number (466095 = T₉₆₅).

The spelling of 1054439 in words is "one million, fifty-four thousand, four hundred thirty-nine".