37020121 has 2 divisors, whose sum is σ = 37020122. Its totient is φ = 37020120.

The previous prime is 37020103. The next prime is 37020127. The reversal of 37020121 is 12102073.

It is a happy number.

37020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 13980121 = 4800^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 37020121 - 2⁷ = 37019993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37020095 and 37020104.

It is not a weakly prime, because it can be changed into another prime (37020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18510060 + 18510061.

It is an arithmetic number, because the mean of its divisors is an integer number (18510061).

Almost surely, 2^37020121 is an apocalyptic number.

It is an amenable number.

37020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37020121 is an equidigital number, since it uses as much as digits as its factorization.

37020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 37020121 is about 6084.4162415141. The cubic root of 37020121 is about 333.2825774941.

Adding to 37020121 its reverse (12102073), we get a palindrome (49122194).

The spelling of 37020121 in words is "thirty-seven million, twenty thousand, one hundred twenty-one".