947104121 has 2 divisors, whose sum is σ = 947104122. Its totient is φ = 947104120.

The previous prime is 947104099. The next prime is 947104129. The reversal of 947104121 is 121401749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555262096 + 391842025 = 23564^2 + 19795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-947104121 is a prime.

It is not a weakly prime, because it can be changed into another prime (947104129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473552060 + 473552061.

It is an arithmetic number, because the mean of its divisors is an integer number (473552061).

Almost surely, 2^947104121 is an apocalyptic number.

It is an amenable number.

947104121 is a deficient number, since it is larger than the sum of its proper divisors (1).

947104121 is an equidigital number, since it uses as much as digits as its factorization.

947104121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 947104121 is about 30775.0567992977. The cubic root of 947104121 is about 982.0476832481.

The spelling of 947104121 in words is "nine hundred forty-seven million, one hundred four thousand, one hundred twenty-one".