9119972 has 6 divisors (see below), whose sum is σ = 15959958. Its totient is φ = 4559984.

The previous prime is 9119951. The next prime is 9119977. The reversal of 9119972 is 2799119.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 23716 = 3016^2 + 154^2 .

It is not an unprimeable number, because it can be changed into a prime (9119977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139993 + ... + 1140000.

It is an arithmetic number, because the mean of its divisors is an integer number (2659993).

Almost surely, 2^9119972 is an apocalyptic number.

It is an amenable number.

9119972 is a deficient number, since it is larger than the sum of its proper divisors (6839986).

9119972 is a wasteful number, since it uses less digits than its factorization.

9119972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279997 (or 2279995 counting only the distinct ones).

The product of its digits is 10206, while the sum is 38.

The square root of 9119972 is about 3019.9291382415. The cubic root of 9119972 is about 208.9285715482.

The spelling of 9119972 in words is "nine million, one hundred nineteen thousand, nine hundred seventy-two".