9999153122 has 8 divisors (see below), whose sum is σ = 17141405376. Its totient is φ = 4285351332.

The previous prime is 9999153091. The next prime is 9999153163. The reversal of 9999153122 is 2213519999.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357112598 + ... + 357112625.

It is an arithmetic number, because the mean of its divisors is an integer number (2142675672).

Almost surely, 2^9999153122 is an apocalyptic number.

9999153122 is a deficient number, since it is larger than the sum of its proper divisors (7142252254).

9999153122 is a wasteful number, since it uses less digits than its factorization.

9999153122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714225232.

The product of its digits is 393660, while the sum is 50.

The square root of 9999153122 is about 99995.7655203459. The cubic root of 9999153122 is about 2154.3738702036.

The spelling of 9999153122 in words is "nine billion, nine hundred ninety-nine million, one hundred fifty-three thousand, one hundred twenty-two".