999112133 has 2 divisors, whose sum is σ = 999112134. Its totient is φ = 999112132.

The previous prime is 999112109. The next prime is 999112139. The reversal of 999112133 is 331211999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734301604 + 264810529 = 27098^2 + 16273^2 .

It is a cyclic number.

It is not a de Polignac number, because 999112133 - 2¹⁸ = 998849989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499556066 + 499556067.

It is an arithmetic number, because the mean of its divisors is an integer number (499556067).

Almost surely, 2^999112133 is an apocalyptic number.

It is an amenable number.

999112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

999112133 is an equidigital number, since it uses as much as digits as its factorization.

999112133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 38.

The square root of 999112133 is about 31608.7350743430. The cubic root of 999112133 is about 999.7039567003.

The spelling of 999112133 in words is "nine hundred ninety-nine million, one hundred twelve thousand, one hundred thirty-three".