999952127 has 2 divisors, whose sum is σ = 999952128. Its totient is φ = 999952126.

The previous prime is 999952039. The next prime is 999952133. The reversal of 999952127 is 721259999.

It is a strong prime.

It is an emirp because it is prime and its reverse (721259999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999952127 - 2¹⁸ = 999689983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999952147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499976063 + 499976064.

It is an arithmetic number, because the mean of its divisors is an integer number (499976064).

Almost surely, 2^999952127 is an apocalyptic number.

999952127 is a deficient number, since it is larger than the sum of its proper divisors (1).

999952127 is an equidigital number, since it uses as much as digits as its factorization.

999952127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 53.

The square root of 999952127 is about 31622.0196540322. The cubic root of 999952127 is about 999.9840420787.

It can be divided in two parts, 9999 and 52127, that added together give a palindrome (62126).

The spelling of 999952127 in words is "nine hundred ninety-nine million, nine hundred fifty-two thousand, one hundred twenty-seven".