9142063121 has 4 divisors (see below), whose sum is σ = 9314554932. Its totient is φ = 8969571312.

The previous prime is 9142063111. The next prime is 9142063129. The reversal of 9142063121 is 1213602419.

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 3128836096 + 6013227025 = 55936^2 + 77545^2 .

It is a cyclic number.

It is not a de Polignac number, because 9142063121 - 2¹⁴ = 9142046737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9142063129) by changing a digit.

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, 86245826 + ... + 86245931.

It is an arithmetic number, because the mean of its divisors is an integer number (2328638733).

Almost surely, 2^9142063121 is an apocalyptic number.

It is an amenable number.

9142063121 is a deficient number, since it is larger than the sum of its proper divisors (172491811).

9142063121 is a wasteful number, since it uses less digits than its factorization.

9142063121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172491810.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9142063121 is about 95614.1366169250. The cubic root of 9142063121 is about 2090.9712998648.

The spelling of 9142063121 in words is "nine billion, one hundred forty-two million, sixty-three thousand, one hundred twenty-one".