1352120505 has 32 divisors (see below), whose sum is σ = 2242373760. Its totient is φ = 694901760.

The previous prime is 1352120491. The next prime is 1352120507. The reversal of 1352120505 is 5050212531.

It is a happy number.

It is not a de Polignac number, because 1352120505 - 2¹⁰ = 1352119481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1352120507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242145 + ... + 247665.

It is an arithmetic number, because the mean of its divisors is an integer number (70074180).

Almost surely, 2^1352120505 is an apocalyptic number.

1352120505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1352120505 is a deficient number, since it is larger than the sum of its proper divisors (890253255).

1352120505 is a wasteful number, since it uses less digits than its factorization.

1352120505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1352120505 is about 36771.1912371628. The cubic root of 1352120505 is about 1105.7878140778.

The spelling of 1352120505 in words is "one billion, three hundred fifty-two million, one hundred twenty thousand, five hundred five".