9772123 has 4 divisors (see below), whose sum is σ = 9815400. Its totient is φ = 9728848.

The previous prime is 9772121. The next prime is 9772129. The reversal of 9772123 is 3212779.

9772123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9772123 - 2¹ = 9772121 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9772123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9772121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21298 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (2453850).

Almost surely, 2^9772123 is an apocalyptic number.

9772123 is a deficient number, since it is larger than the sum of its proper divisors (43277).

9772123 is a wasteful number, since it uses less digits than its factorization.

9772123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43276.

The product of its digits is 5292, while the sum is 31.

The square root of 9772123 is about 3126.0395071080. The cubic root of 9772123 is about 213.7943915644.

The spelling of 9772123 in words is "nine million, seven hundred seventy-two thousand, one hundred twenty-three".