3120352505 has 8 divisors (see below), whose sum is σ = 3746041992. Its totient is φ = 2495202688.

The previous prime is 3120352493. The next prime is 3120352537. The reversal of 3120352505 is 5052530213.

It can be written as a sum of positive squares in 4 ways, for example, as 404170816 + 2716181689 = 20104^2 + 52117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3120352505 - 2⁴ = 3120352489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122084 + ... + 145413.

It is an arithmetic number, because the mean of its divisors is an integer number (468255249).

Almost surely, 2^3120352505 is an apocalyptic number.

It is an amenable number.

3120352505 is a deficient number, since it is larger than the sum of its proper divisors (625689487).

3120352505 is a wasteful number, since it uses less digits than its factorization.

3120352505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269835.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 3120352505 is about 55860.1155118748. The cubic root of 3120352505 is about 1461.2837437688.

Adding to 3120352505 its reverse (5052530213), we get a palindrome (8172882718).

The spelling of 3120352505 in words is "three billion, one hundred twenty million, three hundred fifty-two thousand, five hundred five".