1052239 has 4 divisors (see below), whose sum is σ = 1107640. Its totient is φ = 996840.

The previous prime is 1052237. The next prime is 1052269. The reversal of 1052239 is 9322501.

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 1052239 - 2¹ = 1052237 is a prime.

It is a super-2 number, since 2×1052239² = 2214413826242, 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 (1052231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27672 + ... + 27709.

It is an arithmetic number, because the mean of its divisors is an integer number (276910).

2^1052239 is an apocalyptic number.

1052239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1052239 is a deficient number, since it is larger than the sum of its proper divisors (55401).

1052239 is an equidigital number, since it uses as much as digits as its factorization.

1052239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55400.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1052239 is about 1025.7870149305. The cubic root of 1052239 is about 101.7118291988.

The spelling of 1052239 in words is "one million, fifty-two thousand, two hundred thirty-nine".