121860041 has 2 divisors, whose sum is σ = 121860042. Its totient is φ = 121860040.

The previous prime is 121860031. The next prime is 121860061. The reversal of 121860041 is 140068121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110334016 + 11526025 = 10504^2 + 3395^2 .

It is an emirp because it is prime and its reverse (140068121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121860041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121859989 and 121860016.

It is not a weakly prime, because it can be changed into another prime (121860031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60930020 + 60930021.

It is an arithmetic number, because the mean of its divisors is an integer number (60930021).

Almost surely, 2^121860041 is an apocalyptic number.

It is an amenable number.

121860041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121860041 is an equidigital number, since it uses as much as digits as its factorization.

121860041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 121860041 is about 11039.0235528329. The cubic root of 121860041 is about 495.7778350017. Note that the first 3 decimals are identical.

The spelling of 121860041 in words is "one hundred twenty-one million, eight hundred sixty thousand, forty-one".