9964127 has 4 divisors (see below), whose sum is σ = 9980040. Its totient is φ = 9948216.

The previous prime is 9964111. The next prime is 9964133. The reversal of 9964127 is 7214699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7214699 = 19 ⋅379721.

It is a cyclic number.

It is not a de Polignac number, because 9964127 - 2⁴ = 9964111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964177) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6977 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (2495010).

Almost surely, 2^9964127 is an apocalyptic number.

9964127 is a deficient number, since it is larger than the sum of its proper divisors (15913).

9964127 is a wasteful number, since it uses less digits than its factorization.

9964127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15912.

The product of its digits is 27216, while the sum is 38.

The square root of 9964127 is about 3156.6005448900. The cubic root of 9964127 is about 215.1855402154.

The spelling of 9964127 in words is "nine million, nine hundred sixty-four thousand, one hundred twenty-seven".