104221651 has 2 divisors, whose sum is σ = 104221652. Its totient is φ = 104221650.

The previous prime is 104221643. The next prime is 104221657. The reversal of 104221651 is 156122401.

It is a strong prime.

It is an emirp because it is prime and its reverse (156122401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104221651 - 2³ = 104221643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104221657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110825 + 52110826.

It is an arithmetic number, because the mean of its divisors is an integer number (52110826).

Almost surely, 2^104221651 is an apocalyptic number.

104221651 is a deficient number, since it is larger than the sum of its proper divisors (1).

104221651 is an equidigital number, since it uses as much as digits as its factorization.

104221651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 104221651 is about 10208.9005774373. The cubic root of 104221651 is about 470.6007874602.

The spelling of 104221651 in words is "one hundred four million, two hundred twenty-one thousand, six hundred fifty-one".