120533645 has 8 divisors (see below), whose sum is σ = 148168440. Its totient is φ = 94074880.

The previous prime is 120533641. The next prime is 120533659. The reversal of 120533645 is 546335021.

It can be written as a sum of positive squares in 4 ways, for example, as 17161 + 120516484 = 131^2 + 10978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120533645 - 2² = 120533641 is a prime.

It is a super-3 number, since 3×120533645³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120533641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293780 + ... + 294189.

It is an arithmetic number, because the mean of its divisors is an integer number (18521055).

Almost surely, 2^120533645 is an apocalyptic number.

It is an amenable number.

120533645 is a deficient number, since it is larger than the sum of its proper divisors (27634795).

120533645 is an equidigital number, since it uses as much as digits as its factorization.

120533645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588015.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 120533645 is about 10978.7815808495. The cubic root of 120533645 is about 493.9724902316.

Adding to 120533645 its reverse (546335021), we get a palindrome (666868666).

The spelling of 120533645 in words is "one hundred twenty million, five hundred thirty-three thousand, six hundred forty-five".