9142912 has 16 divisors (see below), whose sum is σ = 18214650. Its totient is φ = 4571392.

The previous prime is 9142909. The next prime is 9142919. The reversal of 9142912 is 2192419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 46656 = 3016^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (9142919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35587 + ... + 35842.

Almost surely, 2^9142912 is an apocalyptic number.

It is an amenable number.

9142912 is a deficient number, since it is larger than the sum of its proper divisors (9071738).

9142912 is an equidigital number, since it uses as much as digits as its factorization.

9142912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71443 (or 71431 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 9142912 is about 3023.7248552076. The cubic root of 9142912 is about 209.1036016354.

The spelling of 9142912 in words is "nine million, one hundred forty-two thousand, nine hundred twelve".