9990127 has 8 divisors (see below), whose sum is σ = 11535776. Its totient is φ = 8474112.

The previous prime is 9990121. The next prime is 9990131. The reversal of 9990127 is 7210999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9990127 - 2¹⁹ = 9465839 is a prime.

It is a super-2 number, since 2×9990127² = 199605274952258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6678 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (1441972).

Almost surely, 2^9990127 is an apocalyptic number.

9990127 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

9990127 is a deficient number, since it is larger than the sum of its proper divisors (1545649).

9990127 is a wasteful number, since it uses less digits than its factorization.

9990127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14817.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 9990127 is about 3160.7162163029. The cubic root of 9990127 is about 215.3725432107.

The spelling of 9990127 in words is "nine million, nine hundred ninety thousand, one hundred twenty-seven".