452120109 has 24 divisors (see below), whose sum is σ = 705587040. Its totient is φ = 256755744.

The previous prime is 452120099. The next prime is 452120113. The reversal of 452120109 is 901021254.

It is not a de Polignac number, because 452120109 - 2⁴ = 452120093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452120129) 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 23 ways as a sum of consecutive naturals, for example, 14527 + ... + 33395.

It is an arithmetic number, because the mean of its divisors is an integer number (29399460).

Almost surely, 2^452120109 is an apocalyptic number.

452120109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

452120109 is a deficient number, since it is larger than the sum of its proper divisors (253466931).

452120109 is a wasteful number, since it uses less digits than its factorization.

452120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19049 (or 19042 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 452120109 is about 21263.1161639116. The cubic root of 452120109 is about 767.5109988627.

The spelling of 452120109 in words is "four hundred fifty-two million, one hundred twenty thousand, one hundred nine".