9574772121 has 6 divisors (see below), whose sum is σ = 13830226410. Its totient is φ = 6383181408.

The previous prime is 9574772099. The next prime is 9574772171. The reversal of 9574772121 is 1212774759.

9574772121 is a `hidden beast` number, since 9 + 57 + 477 + 2 + 121 = 666.

9574772121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7498694025 + 2076078096 = 86595^2 + 45564^2 .

It is not a de Polignac number, because 9574772121 - 2⁵ = 9574772089 is a prime.

It is a super-3 number, since 3×9574772121³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9574772171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531931776 + ... + 531931793.

It is an arithmetic number, because the mean of its divisors is an integer number (2305037735).

Almost surely, 2^9574772121 is an apocalyptic number.

It is an amenable number.

9574772121 is a deficient number, since it is larger than the sum of its proper divisors (4255454289).

9574772121 is a wasteful number, since it uses less digits than its factorization.

9574772121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063863575 (or 1063863572 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 9574772121 is about 97850.7645396805. The cubic root of 9574772121 is about 2123.4537953345.

The spelling of 9574772121 in words is "nine billion, five hundred seventy-four million, seven hundred seventy-two thousand, one hundred twenty-one".