12121059 has 4 divisors (see below), whose sum is σ = 16161416. Its totient is φ = 8080704.

The previous prime is 12121009. The next prime is 12121061. The reversal of 12121059 is 95012121.

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

It is not a de Polignac number, because 12121059 - 2¹² = 12116963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121009) 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, 2020174 + ... + 2020179.

It is an arithmetic number, because the mean of its divisors is an integer number (4040354).

Almost surely, 2^12121059 is an apocalyptic number.

12121059 is a deficient number, since it is larger than the sum of its proper divisors (4040357).

12121059 is an equidigital number, since it uses as much as digits as its factorization.

12121059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040356.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 12121059 is about 3481.5311286846. The cubic root of 12121059 is about 229.7101515816.

The spelling of 12121059 in words is "twelve million, one hundred twenty-one thousand, fifty-nine".