68001121 has 2 divisors, whose sum is σ = 68001122. Its totient is φ = 68001120.

The previous prime is 68001113. The next prime is 68001127. The reversal of 68001121 is 12110086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59120721 + 8880400 = 7689^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 68001121 - 2³ = 68001113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68001127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34000560 + 34000561.

It is an arithmetic number, because the mean of its divisors is an integer number (34000561).

Almost surely, 2^68001121 is an apocalyptic number.

It is an amenable number.

68001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

68001121 is an equidigital number, since it uses as much as digits as its factorization.

68001121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 68001121 is about 8246.2792215641. The cubic root of 68001121 is about 408.1677530889.

It can be divided in two parts, 6800 and 1121, that added together give a square (7921 = 89²).

The spelling of 68001121 in words is "sixty-eight million, one thousand, one hundred twenty-one".