104163121 has 2 divisors, whose sum is σ = 104163122. Its totient is φ = 104163120.

The previous prime is 104163107. The next prime is 104163133. The reversal of 104163121 is 121361401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94303521 + 9859600 = 9711^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 104163121 - 2⁵ = 104163089 is a prime.

It is not a weakly prime, because it can be changed into another prime (104163151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52081560 + 52081561.

It is an arithmetic number, because the mean of its divisors is an integer number (52081561).

Almost surely, 2^104163121 is an apocalyptic number.

It is an amenable number.

104163121 is a deficient number, since it is larger than the sum of its proper divisors (1).

104163121 is an equidigital number, since it uses as much as digits as its factorization.

104163121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 104163121 is about 10206.0335586358. The cubic root of 104163121 is about 470.5126758198.

The spelling of 104163121 in words is "one hundred four million, one hundred sixty-three thousand, one hundred twenty-one".