121000006925873 has 2 divisors, whose sum is σ = 121000006925874. Its totient is φ = 121000006925872.

The previous prime is 121000006925857. The next prime is 121000006925887. The reversal of 121000006925873 is 378529600000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76714615481344 + 44285391444529 = 8758688^2 + 6654727^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000006925873 - 2⁴ = 121000006925857 is a prime.

It is a super-2 number, since 2×121000006925873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121000006925803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500003462936 + 60500003462937.

It is an arithmetic number, because the mean of its divisors is an integer number (60500003462937).

Almost surely, 2^{121000006925873} is an apocalyptic number.

It is an amenable number.

121000006925873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000006925873 is an equidigital number, since it uses as much as digits as its factorization.

121000006925873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

Adding to 121000006925873 its reverse (378529600000121), we get a palindrome (499529606925994).

The spelling of 121000006925873 in words is "one hundred twenty-one trillion, six million, nine hundred twenty-five thousand, eight hundred seventy-three".