102229609 has 2 divisors, whose sum is σ = 102229610. Its totient is φ = 102229608.

The previous prime is 102229573. The next prime is 102229613. The reversal of 102229609 is 906922201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94090000 + 8139609 = 9700^2 + 2853^2 .

It is a cyclic number.

It is not a de Polignac number, because 102229609 - 2⁹ = 102229097 is a prime.

It is not a weakly prime, because it can be changed into another prime (102229639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51114804 + 51114805.

It is an arithmetic number, because the mean of its divisors is an integer number (51114805).

Almost surely, 2^102229609 is an apocalyptic number.

It is an amenable number.

102229609 is a deficient number, since it is larger than the sum of its proper divisors (1).

102229609 is an equidigital number, since it uses as much as digits as its factorization.

102229609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 102229609 is about 10110.8658877467. The cubic root of 102229609 is about 467.5832011831.

The spelling of 102229609 in words is "one hundred two million, two hundred twenty-nine thousand, six hundred nine".