1052144439 has 4 divisors (see below), whose sum is σ = 1402859256. Its totient is φ = 701429624.

The previous prime is 1052144413. The next prime is 1052144461. The reversal of 1052144439 is 9344412501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9344412501 = 3 ⋅3114804167.

It is a cyclic number.

It is not a de Polignac number, because 1052144439 - 2⁷ = 1052144311 is a prime.

It is a super-2 number, since 2×1052144439² = 2214015841037249442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052144479) 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, 175357404 + ... + 175357409.

It is an arithmetic number, because the mean of its divisors is an integer number (350714814).

Almost surely, 2^1052144439 is an apocalyptic number.

1052144439 is a deficient number, since it is larger than the sum of its proper divisors (350714817).

1052144439 is an equidigital number, since it uses as much as digits as its factorization.

1052144439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350714816.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1052144439 is about 32436.7760266029. The cubic root of 1052144439 is about 1017.0878227998.

The spelling of 1052144439 in words is "one billion, fifty-two million, one hundred forty-four thousand, four hundred thirty-nine".