37461121 has 2 divisors, whose sum is σ = 37461122. Its totient is φ = 37461120.

The previous prime is 37461119. The next prime is 37461139. The reversal of 37461121 is 12116473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 190096 = 6105^2 + 436^2 .

It is an emirp because it is prime and its reverse (12116473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37461121 - 2¹ = 37461119 is a prime.

Together with 37461119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (37461161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18730560 + 18730561.

It is an arithmetic number, because the mean of its divisors is an integer number (18730561).

Almost surely, 2^37461121 is an apocalyptic number.

It is an amenable number.

37461121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37461121 is an equidigital number, since it uses as much as digits as its factorization.

37461121 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 37461121 is about 6120.5490766760. The cubic root of 37461121 is about 334.6007600033.

Adding to 37461121 its reverse (12116473), we get a palindrome (49577594).

The spelling of 37461121 in words is "thirty-seven million, four hundred sixty-one thousand, one hundred twenty-one".