1307058505 has 4 divisors (see below), whose sum is σ = 1568470212. Its totient is φ = 1045646800.

The previous prime is 1307058499. The next prime is 1307058523. The reversal of 1307058505 is 5058507031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5058507031 = 8969 ⋅563999.

It can be written as a sum of positive squares in 2 ways, for example, as 558707769 + 748350736 = 23637^2 + 27356^2 .

It is not a de Polignac number, because 1307058505 - 2³ = 1307058497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130705846 + ... + 130705855.

It is an arithmetic number, because the mean of its divisors is an integer number (392117553).

Almost surely, 2^1307058505 is an apocalyptic number.

It is an amenable number.

1307058505 is a deficient number, since it is larger than the sum of its proper divisors (261411707).

1307058505 is an equidigital number, since it uses as much as digits as its factorization.

1307058505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261411706.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1307058505 is about 36153.2640988335. The cubic root of 1307058505 is about 1093.3646013907.

The spelling of 1307058505 in words is "one billion, three hundred seven million, fifty-eight thousand, five hundred five".