9909124 has 6 divisors (see below), whose sum is σ = 17340974. Its totient is φ = 4954560.

The previous prime is 9909091. The next prime is 9909139. The reversal of 9909124 is 4219099.

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 174724 = 3120^2 + 418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9909124.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1238637 + ... + 1238644.

Almost surely, 2^9909124 is an apocalyptic number.

It is an amenable number.

9909124 is a deficient number, since it is larger than the sum of its proper divisors (7431850).

9909124 is a wasteful number, since it uses less digits than its factorization.

9909124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477285 (or 2477283 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9909124 is about 3147.8761093791. The cubic root of 9909124 is about 214.7888606846.

The spelling of 9909124 in words is "nine million, nine hundred nine thousand, one hundred twenty-four".