975246121 has 2 divisors, whose sum is σ = 975246122. Its totient is φ = 975246120.

The previous prime is 975246109. The next prime is 975246179. The reversal of 975246121 is 121642579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871430400 + 103815721 = 29520^2 + 10189^2 .

It is a cyclic number.

It is not a de Polignac number, because 975246121 - 2¹¹ = 975244073 is a prime.

It is a super-2 number, since 2×975246121² = 1902209993051093282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (975246221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487623060 + 487623061.

It is an arithmetic number, because the mean of its divisors is an integer number (487623061).

Almost surely, 2^975246121 is an apocalyptic number.

It is an amenable number.

975246121 is a deficient number, since it is larger than the sum of its proper divisors (1).

975246121 is an equidigital number, since it uses as much as digits as its factorization.

975246121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 975246121 is about 31228.9308334435. The cubic root of 975246121 is about 991.6796711270.

The spelling of 975246121 in words is "nine hundred seventy-five million, two hundred forty-six thousand, one hundred twenty-one".