998272127 has 2 divisors, whose sum is σ = 998272128. Its totient is φ = 998272126.

The previous prime is 998272123. The next prime is 998272193. The reversal of 998272127 is 721272899.

It is a weak prime.

It is an emirp because it is prime and its reverse (721272899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998272127 - 2² = 998272123 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998272123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499136063 + 499136064.

It is an arithmetic number, because the mean of its divisors is an integer number (499136064).

Almost surely, 2^998272127 is an apocalyptic number.

998272127 is a deficient number, since it is larger than the sum of its proper divisors (1).

998272127 is an equidigital number, since it uses as much as digits as its factorization.

998272127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 998272127 is about 31595.4447191363. Note that the first 3 decimals coincide. The cubic root of 998272127 is about 999.4237102873.

The spelling of 998272127 in words is "nine hundred ninety-eight million, two hundred seventy-two thousand, one hundred twenty-seven".