104228261 has 2 divisors, whose sum is σ = 104228262. Its totient is φ = 104228260.

The previous prime is 104228237. The next prime is 104228269. The reversal of 104228261 is 162822401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 40132225 = 8006^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 104228261 - 2⁶ = 104228197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104228261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104228269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52114130 + 52114131.

It is an arithmetic number, because the mean of its divisors is an integer number (52114131).

Almost surely, 2^104228261 is an apocalyptic number.

It is an amenable number.

104228261 is a deficient number, since it is larger than the sum of its proper divisors (1).

104228261 is an equidigital number, since it uses as much as digits as its factorization.

104228261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 104228261 is about 10209.2243094174. The cubic root of 104228261 is about 470.6107361462.

The spelling of 104228261 in words is "one hundred four million, two hundred twenty-eight thousand, two hundred sixty-one".