37261121 has 2 divisors, whose sum is σ = 37261122. Its totient is φ = 37261120.

The previous prime is 37261111. The next prime is 37261151. The reversal of 37261121 is 12116273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 7230721 = 5480^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 37261121 - 2¹⁴ = 37244737 is a prime.

It is a super-2 number, since 2×37261121² = 2776782276353282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (37261111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18630560 + 18630561.

It is an arithmetic number, because the mean of its divisors is an integer number (18630561).

Almost surely, 2^37261121 is an apocalyptic number.

It is an amenable number.

37261121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37261121 is an equidigital number, since it uses as much as digits as its factorization.

37261121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 37261121 is about 6104.1888076959. The cubic root of 37261121 is about 334.0042339932.

Adding to 37261121 its reverse (12116273), we get a palindrome (49377394).

The spelling of 37261121 in words is "thirty-seven million, two hundred sixty-one thousand, one hundred twenty-one".