104029909 has 2 divisors, whose sum is σ = 104029910. Its totient is φ = 104029908.

The previous prime is 104029889. The next prime is 104029969. The reversal of 104029909 is 909920401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102454884 + 1575025 = 10122^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 104029909 - 2⁷ = 104029781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104029969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52014954 + 52014955.

It is an arithmetic number, because the mean of its divisors is an integer number (52014955).

Almost surely, 2^104029909 is an apocalyptic number.

It is an amenable number.

104029909 is a deficient number, since it is larger than the sum of its proper divisors (1).

104029909 is an equidigital number, since it uses as much as digits as its factorization.

104029909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 104029909 is about 10199.5053311423. The cubic root of 104029909 is about 470.3120140369.

The spelling of 104029909 in words is "one hundred four million, twenty-nine thousand, nine hundred nine".