120550523 has 4 divisors (see below), whose sum is σ = 121470888. Its totient is φ = 119630160.

The previous prime is 120550517. The next prime is 120550541. The reversal of 120550523 is 325055021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120550523 - 2²⁰ = 119501947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120550583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459986 + ... + 460247.

It is an arithmetic number, because the mean of its divisors is an integer number (30367722).

Almost surely, 2^120550523 is an apocalyptic number.

120550523 is a deficient number, since it is larger than the sum of its proper divisors (920365).

120550523 is an equidigital number, since it uses as much as digits as its factorization.

120550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920364.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 120550523 is about 10979.5502184743. The cubic root of 120550523 is about 493.9955456990.

The spelling of 120550523 in words is "one hundred twenty million, five hundred fifty thousand, five hundred twenty-three".