12120559 has 8 divisors (see below), whose sum is σ = 13249152. Its totient is φ = 10996440.

The previous prime is 12120533. The next prime is 12120569. The reversal of 12120559 is 95502121.

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 12120559 - 2⁷ = 12120431 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 (12120509) 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, 7432 + ... + 8914.

It is an arithmetic number, because the mean of its divisors is an integer number (1656144).

Almost surely, 2^12120559 is an apocalyptic number.

12120559 is a deficient number, since it is larger than the sum of its proper divisors (1128593).

12120559 is a wasteful number, since it uses less digits than its factorization.

12120559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 12120559 is about 3481.4593204574. The cubic root of 12120559 is about 229.7069929837.

The spelling of 12120559 in words is "twelve million, one hundred twenty thousand, five hundred fifty-nine".