412109 has 2 divisors, whose sum is σ = 412110. Its totient is φ = 412108.

The previous prime is 412099. The next prime is 412123. The reversal of 412109 is 901214.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 64009 = 590^2 + 253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206054 + 206055.

It is an arithmetic number, because the mean of its divisors is an integer number (206055).

2⁴¹²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

412109 is a deficient number, since it is larger than the sum of its proper divisors (1).

412109 is an equidigital number, since it uses as much as digits as its factorization.

412109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 412109 is about 641.9571636799. The cubic root of 412109 is about 74.4167500923.

The spelling of 412109 in words is "four hundred twelve thousand, one hundred nine".