103879121 has 2 divisors, whose sum is σ = 103879122. Its totient is φ = 103879120.

The previous prime is 103879103. The next prime is 103879141. The reversal of 103879121 is 121978301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100781521 + 3097600 = 10039^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 103879121 - 2¹⁸ = 103616977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103879141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51939560 + 51939561.

It is an arithmetic number, because the mean of its divisors is an integer number (51939561).

Almost surely, 2^103879121 is an apocalyptic number.

It is an amenable number.

103879121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103879121 is an equidigital number, since it uses as much as digits as its factorization.

103879121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 103879121 is about 10192.1107234959. The cubic root of 103879121 is about 470.0846701238.

The spelling of 103879121 in words is "one hundred three million, eight hundred seventy-nine thousand, one hundred twenty-one".