9269742121 has 4 divisors (see below), whose sum is σ = 9303207172. Its totient is φ = 9236277072.

The previous prime is 9269742077. The next prime is 9269742161. The reversal of 9269742121 is 1212479629.

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 5485031721 + 3784710400 = 74061^2 + 61520^2 .

It is a cyclic number.

It is not a de Polignac number, because 9269742121 - 2¹³ = 9269733929 is a prime.

It is the 96280-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9269742161) by changing a digit.

It is a nontrivial repunit in base 96279.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16732110 + ... + 16732663.

It is an arithmetic number, because the mean of its divisors is an integer number (2325801793).

Almost surely, 2^9269742121 is an apocalyptic number.

It is an amenable number.

9269742121 is a deficient number, since it is larger than the sum of its proper divisors (33465051).

9269742121 is a wasteful number, since it uses less digits than its factorization.

9269742121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33465050.

The product of its digits is 108864, while the sum is 43.

The square root of 9269742121 is about 96279.5000038949. The cubic root of 9269742121 is about 2100.6605723107.

The spelling of 9269742121 in words is "nine billion, two hundred sixty-nine million, seven hundred forty-two thousand, one hundred twenty-one".