104269661 has 2 divisors, whose sum is σ = 104269662. Its totient is φ = 104269660.

The previous prime is 104269657. The next prime is 104269691. The reversal of 104269661 is 166962401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90535225 + 13734436 = 9515^2 + 3706^2 .

It is a cyclic number.

It is not a de Polignac number, because 104269661 - 2² = 104269657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104269631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52134830 + 52134831.

It is an arithmetic number, because the mean of its divisors is an integer number (52134831).

Almost surely, 2^104269661 is an apocalyptic number.

It is an amenable number.

104269661 is a deficient number, since it is larger than the sum of its proper divisors (1).

104269661 is an equidigital number, since it uses as much as digits as its factorization.

104269661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104269661 is about 10211.2516862528. The cubic root of 104269661 is about 470.6730375644.

The spelling of 104269661 in words is "one hundred four million, two hundred sixty-nine thousand, six hundred sixty-one".