41121637 has 2 divisors, whose sum is σ = 41121638. Its totient is φ = 41121636.

The previous prime is 41121607. The next prime is 41121659. The reversal of 41121637 is 73612114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 3556996 = 6129^2 + 1886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41121637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41121607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20560818 + 20560819.

It is an arithmetic number, because the mean of its divisors is an integer number (20560819).

Almost surely, 2^41121637 is an apocalyptic number.

It is an amenable number.

41121637 is a deficient number, since it is larger than the sum of its proper divisors (1).

41121637 is an equidigital number, since it uses as much as digits as its factorization.

41121637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 41121637 is about 6412.6154570503. The cubic root of 41121637 is about 345.1623880219.

The spelling of 41121637 in words is "forty-one million, one hundred twenty-one thousand, six hundred thirty-seven".