975937121 has 2 divisors, whose sum is σ = 975937122. Its totient is φ = 975937120.

The previous prime is 975937099. The next prime is 975937163. The reversal of 975937121 is 121739579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678029521 + 297907600 = 26039^2 + 17260^2 .

It is a cyclic number.

It is not a de Polignac number, because 975937121 - 2¹⁸ = 975674977 is a prime.

It is not a weakly prime, because it can be changed into another prime (975937181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487968560 + 487968561.

It is an arithmetic number, because the mean of its divisors is an integer number (487968561).

Almost surely, 2^975937121 is an apocalyptic number.

It is an amenable number.

975937121 is a deficient number, since it is larger than the sum of its proper divisors (1).

975937121 is an equidigital number, since it uses as much as digits as its factorization.

975937121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 44.

The square root of 975937121 is about 31239.9923335458. The cubic root of 975937121 is about 991.9138304363.

The spelling of 975937121 in words is "nine hundred seventy-five million, nine hundred thirty-seven thousand, one hundred twenty-one".