9152122013 has 8 divisors (see below), whose sum is σ = 9417537720. Its totient is φ = 8887656960.

The previous prime is 9152121997. The next prime is 9152122019. The reversal of 9152122013 is 3102212519.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 267551449 + 8884570564 = 16357^2 + 94258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9152122013 - 2⁴ = 9152121997 is a prime.

It is a super-2 number, since 2×9152122013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9152122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218108 + ... + 256661.

It is an arithmetic number, because the mean of its divisors is an integer number (1177192215).

Almost surely, 2^9152122013 is an apocalyptic number.

It is an amenable number.

9152122013 is a deficient number, since it is larger than the sum of its proper divisors (265415707).

9152122013 is a wasteful number, since it uses less digits than its factorization.

9152122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475327.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 9152122013 is about 95666.7236451631. The cubic root of 9152122013 is about 2091.7379081915.

The spelling of 9152122013 in words is "nine billion, one hundred fifty-two million, one hundred twenty-two thousand, thirteen".