106124209 has 2 divisors, whose sum is σ = 106124210. Its totient is φ = 106124208.

The previous prime is 106124203. The next prime is 106124219. The reversal of 106124209 is 902421601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 13483584 = 9625^2 + 3672^2 .

It is a cyclic number.

It is not a de Polignac number, because 106124209 - 2²¹ = 104027057 is a prime.

It is a super-2 number, since 2×106124209² = 22524695471751362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106124203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53062104 + 53062105.

It is an arithmetic number, because the mean of its divisors is an integer number (53062105).

Almost surely, 2^106124209 is an apocalyptic number.

It is an amenable number.

106124209 is a deficient number, since it is larger than the sum of its proper divisors (1).

106124209 is an equidigital number, since it uses as much as digits as its factorization.

106124209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 106124209 is about 10301.6604972208. The cubic root of 106124209 is about 473.4471305553.

The spelling of 106124209 in words is "one hundred six million, one hundred twenty-four thousand, two hundred nine".