121000006925849 has 2 divisors, whose sum is σ = 121000006925850. Its totient is φ = 121000006925848.

The previous prime is 121000006925839. The next prime is 121000006925851. The reversal of 121000006925849 is 948529600000121.

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., 110780508653824 + 10219498272025 = 10525232^2 + 3196795^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000006925849 - 2¹² = 121000006921753 is a prime.

Together with 121000006925851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121000006925839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500003462924 + 60500003462925.

It is an arithmetic number, because the mean of its divisors is an integer number (60500003462925).

Almost surely, 2^{121000006925849} is an apocalyptic number.

It is an amenable number.

121000006925849 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000006925849 is an equidigital number, since it uses as much as digits as its factorization.

121000006925849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 121000006925849 in words is "one hundred twenty-one trillion, six million, nine hundred twenty-five thousand, eight hundred forty-nine".