12120901 has 8 divisors (see below), whose sum is σ = 13275360. Its totient is φ = 10998192.

The previous prime is 12120863. The next prime is 12120919. The reversal of 12120901 is 10902121.

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 12120901 - 2²³ = 3732293 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 (12120001) 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, 7135 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (1659420).

Almost surely, 2^12120901 is an apocalyptic number.

It is an amenable number.

12120901 is a deficient number, since it is larger than the sum of its proper divisors (1154459).

12120901 is a wasteful number, since it uses less digits than its factorization.

12120901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12120901 is about 3481.5084374449. The cubic root of 12120901 is about 229.7091534740.

The spelling of 12120901 in words is "twelve million, one hundred twenty thousand, nine hundred one".