1058940109 has 4 divisors (see below), whose sum is σ = 1060227616. Its totient is φ = 1057652604.

The previous prime is 1058940089. The next prime is 1058940119. The reversal of 1058940109 is 9010498501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1058940109 - 2¹³ = 1058931917 is a prime.

It is a super-2 number, since 2×1058940109² = 2242708308897863762, 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 (1058940119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642519 + ... + 644164.

It is an arithmetic number, because the mean of its divisors is an integer number (265056904).

Almost surely, 2^1058940109 is an apocalyptic number.

It is an amenable number.

1058940109 is a deficient number, since it is larger than the sum of its proper divisors (1287507).

1058940109 is an equidigital number, since it uses as much as digits as its factorization.

1058940109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287506.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1058940109 is about 32541.3599746538. The cubic root of 1058940109 is about 1019.2728731004.

The spelling of 1058940109 in words is "one billion, fifty-eight million, nine hundred forty thousand, one hundred nine".