34120505 has 4 divisors (see below), whose sum is σ = 40944612. Its totient is φ = 27296400.

The previous prime is 34120483. The next prime is 34120517. The reversal of 34120505 is 50502143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50502143 = 701 ⋅72043.

It can be written as a sum of positive squares in 2 ways, for example, as 17774656 + 16345849 = 4216^2 + 4043^2 .

It is not a de Polignac number, because 34120505 - 2¹² = 34116409 is a prime.

It is a super-2 number, since 2×34120505² = 2328417722910050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3412046 + ... + 3412055.

It is an arithmetic number, because the mean of its divisors is an integer number (10236153).

Almost surely, 2^34120505 is an apocalyptic number.

It is an amenable number.

34120505 is a deficient number, since it is larger than the sum of its proper divisors (6824107).

34120505 is an equidigital number, since it uses as much as digits as its factorization.

34120505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824106.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 34120505 is about 5841.2759736208. The cubic root of 34120505 is about 324.3434635705.

Adding to 34120505 its reverse (50502143), we get a palindrome (84622648).

The spelling of 34120505 in words is "thirty-four million, one hundred twenty thousand, five hundred five".