981127963 has 2 divisors, whose sum is σ = 981127964. Its totient is φ = 981127962.

The previous prime is 981127921. The next prime is 981128053. The reversal of 981127963 is 369721189.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 981127963 - 2¹³ = 981119771 is a prime.

It is a super-3 number, since 3×981127963³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (981125963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490563981 + 490563982.

It is an arithmetic number, because the mean of its divisors is an integer number (490563982).

Almost surely, 2^981127963 is an apocalyptic number.

981127963 is a deficient number, since it is larger than the sum of its proper divisors (1).

981127963 is an equidigital number, since it uses as much as digits as its factorization.

981127963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 981127963 is about 31322.9622322028. The cubic root of 981127963 is about 993.6693281664.

The spelling of 981127963 in words is "nine hundred eighty-one million, one hundred twenty-seven thousand, nine hundred sixty-three".