120543453 has 6 divisors (see below), whose sum is σ = 174118334. Its totient is φ = 80362296.

The previous prime is 120543443. The next prime is 120543461. The reversal of 120543453 is 354345021.

120543453 is a `hidden beast` number, since 1 + 205 + 4 + 3 + 453 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116057529 + 4485924 = 10773^2 + 2118^2 .

It is not a de Polignac number, because 120543453 - 2⁵ = 120543421 is a prime.

It is a super-2 number, since 2×120543453² = 29061448122326418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120543443) 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 5 ways as a sum of consecutive naturals, for example, 6696850 + ... + 6696867.

Almost surely, 2^120543453 is an apocalyptic number.

It is an amenable number.

120543453 is a deficient number, since it is larger than the sum of its proper divisors (53574881).

120543453 is a wasteful number, since it uses less digits than its factorization.

120543453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13393723 (or 13393720 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 120543453 is about 10979.2282515667. The cubic root of 120543453 is about 493.9858882909.

Adding to 120543453 its reverse (354345021), we get a palindrome (474888474).

The spelling of 120543453 in words is "one hundred twenty million, five hundred forty-three thousand, four hundred fifty-three".