12100609 has 2 divisors, whose sum is σ = 12100610. Its totient is φ = 12100608.

The previous prime is 12100567. The next prime is 12100637. The reversal of 12100609 is 90600121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 2241009 = 3140^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100609 - 2⁹ = 12100097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12100679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050304 + 6050305.

It is an arithmetic number, because the mean of its divisors is an integer number (6050305).

Almost surely, 2^12100609 is an apocalyptic number.

It is an amenable number.

12100609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100609 is an equidigital number, since it uses as much as digits as its factorization.

12100609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12100609 is about 3478.5929626790. The cubic root of 12100609 is about 229.5808939837.

The spelling of 12100609 in words is "twelve million, one hundred thousand, six hundred nine".