974131203121 has 4 divisors (see below), whose sum is σ = 974133440100. Its totient is φ = 974128966144.

The previous prime is 974131203103. The next prime is 974131203197. The reversal of 974131203121 is 121302131479.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82806393121 + 891324810000 = 287761^2 + 944100^2 .

It is a cyclic number.

It is not a de Polignac number, because 974131203121 - 2¹¹ = 974131201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974131233121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230056 + ... + 1414633.

It is an arithmetic number, because the mean of its divisors is an integer number (243533360025).

Almost surely, 2^974131203121 is an apocalyptic number.

It is an amenable number.

974131203121 is a deficient number, since it is larger than the sum of its proper divisors (2236979).

974131203121 is a wasteful number, since it uses less digits than its factorization.

974131203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236978.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 974131203121 in words is "nine hundred seventy-four billion, one hundred thirty-one million, two hundred three thousand, one hundred twenty-one".