1058128439 has 4 divisors (see below), whose sum is σ = 1061268624. Its totient is φ = 1054988256.

The previous prime is 1058128429. The next prime is 1058128441. The reversal of 1058128439 is 9348218501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9348218501 = 157 ⋅59542793.

It is a cyclic number.

It is not a de Polignac number, because 1058128439 - 2¹² = 1058124343 is a prime.

It is a super-2 number, since 2×1058128439² = 2239271586841153442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1058128396 and 1058128405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058128429) 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, 1569587 + ... + 1570260.

It is an arithmetic number, because the mean of its divisors is an integer number (265317156).

Almost surely, 2^1058128439 is an apocalyptic number.

1058128439 is a deficient number, since it is larger than the sum of its proper divisors (3140185).

1058128439 is an equidigital number, since it uses as much as digits as its factorization.

1058128439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140184.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1058128439 is about 32528.8862244006. The cubic root of 1058128439 is about 1019.0123847522.

The spelling of 1058128439 in words is "one billion, fifty-eight million, one hundred twenty-eight thousand, four hundred thirty-nine".