1061839 has 4 divisors (see below), whose sum is σ = 1075360. Its totient is φ = 1048320.

The previous prime is 1061831. The next prime is 1061849. The reversal of 1061839 is 9381601.

It is a happy number.

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 1061839 - 2³ = 1061831 is a prime.

It is a super-2 number, since 2×1061839² = 2255004123842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061831) 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 in 3 ways as a sum of consecutive naturals, for example, 6642 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (268840).

2^1061839 is an apocalyptic number.

1061839 is a deficient number, since it is larger than the sum of its proper divisors (13521).

1061839 is an equidigital number, since it uses as much as digits as its factorization.

1061839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1061839 is about 1030.4557244249. The cubic root of 1061839 is about 102.0202125777.

The spelling of 1061839 in words is "one million, sixty-one thousand, eight hundred thirty-nine".