1052839 has 4 divisors (see below), whose sum is σ = 1078560. Its totient is φ = 1027120.

The previous prime is 1052819. The next prime is 1052851. The reversal of 1052839 is 9382501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1052839 - 2⁹ = 1052327 is a prime.

It is a super-2 number, since 2×1052839² = 2216939919842, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12799 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (269640).

2^1052839 is an apocalyptic number.

1052839 is a deficient number, since it is larger than the sum of its proper divisors (25721).

1052839 is an equidigital number, since it uses as much as digits as its factorization.

1052839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1052839 is about 1026.0794316231. The cubic root of 1052839 is about 101.7311579830.

It can be divided in two parts, 1052 and 839, that added together give a triangular number (1891 = T₆₁).

The spelling of 1052839 in words is "one million, fifty-two thousand, eight hundred thirty-nine".