40600121 has 2 divisors, whose sum is σ = 40600122. Its totient is φ = 40600120.

The previous prime is 40600103. The next prime is 40600123. The reversal of 40600121 is 12100604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 657721 = 6320^2 + 811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40600121 is a prime.

Together with 40600123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40600096 and 40600105.

It is not a weakly prime, because it can be changed into another prime (40600123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20300060 + 20300061.

It is an arithmetic number, because the mean of its divisors is an integer number (20300061).

Almost surely, 2^40600121 is an apocalyptic number.

It is an amenable number.

40600121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40600121 is an equidigital number, since it uses as much as digits as its factorization.

40600121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40600121 is about 6371.8224237654. The cubic root of 40600121 is about 343.6970273854.

Adding to 40600121 its reverse (12100604), we get a palindrome (52700725).

The spelling of 40600121 in words is "forty million, six hundred thousand, one hundred twenty-one".