120523645 has 8 divisors (see below), whose sum is σ = 157776480. Its totient is φ = 87653520.

The previous prime is 120523639. The next prime is 120523649. The reversal of 120523645 is 546325021.

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

It is not a de Polignac number, because 120523645 - 2¹³ = 120515453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120523649) 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 7 ways as a sum of consecutive naturals, for example, 1095615 + ... + 1095724.

It is an arithmetic number, because the mean of its divisors is an integer number (19722060).

Almost surely, 2^120523645 is an apocalyptic number.

It is an amenable number.

120523645 is a deficient number, since it is larger than the sum of its proper divisors (37252835).

120523645 is a wasteful number, since it uses less digits than its factorization.

120523645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191355.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 120523645 is about 10978.3261474598. The cubic root of 120523645 is about 493.9588291455.

Adding to 120523645 its reverse (546325021), we get a palindrome (666848666).

The spelling of 120523645 in words is "one hundred twenty million, five hundred twenty-three thousand, six hundred forty-five".