120521743 has 8 divisors (see below), whose sum is σ = 121350240. Its totient is φ = 119696640.

The previous prime is 120521717. The next prime is 120521749. The reversal of 120521743 is 347125021.

It is a happy number.

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 120521743 - 2²⁵ = 86967311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120521749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122871 + ... + 123847.

It is an arithmetic number, because the mean of its divisors is an integer number (15168780).

Almost surely, 2^120521743 is an apocalyptic number.

120521743 is a deficient number, since it is larger than the sum of its proper divisors (828497).

120521743 is an equidigital number, since it uses as much as digits as its factorization.

120521743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 120521743 is about 10978.2395218906. The cubic root of 120521743 is about 493.9562307213.

Adding to 120521743 its reverse (347125021), we get a palindrome (467646764).

The spelling of 120521743 in words is "one hundred twenty million, five hundred twenty-one thousand, seven hundred forty-three".