9970127 has 4 divisors (see below), whose sum is σ = 10291776. Its totient is φ = 9648480.

The previous prime is 9970123. The next prime is 9970139. The reversal of 9970127 is 7210799.

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 9970127 - 2² = 9970123 is a prime.

It is a super-2 number, since 2×9970127² = 198806864792258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970123) 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, 160778 + ... + 160839.

It is an arithmetic number, because the mean of its divisors is an integer number (2572944).

Almost surely, 2^9970127 is an apocalyptic number.

9970127 is a deficient number, since it is larger than the sum of its proper divisors (321649).

9970127 is a wasteful number, since it uses less digits than its factorization.

9970127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321648.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 9970127 is about 3157.5507913571. The cubic root of 9970127 is about 215.2287235997.

The spelling of 9970127 in words is "nine million, nine hundred seventy thousand, one hundred twenty-seven".