201130999 has 2 divisors, whose sum is σ = 201131000. Its totient is φ = 201130998.

The previous prime is 201130957. The next prime is 201131053. The reversal of 201130999 is 999031102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201130999 - 2¹⁷ = 200999927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201130939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565499 + 100565500.

It is an arithmetic number, because the mean of its divisors is an integer number (100565500).

Almost surely, 2^201130999 is an apocalyptic number.

201130999 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130999 is an equidigital number, since it uses as much as digits as its factorization.

201130999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 201130999 is about 14182.0661047677. The cubic root of 201130999 is about 585.9038299240.

The spelling of 201130999 in words is "two hundred one million, one hundred thirty thousand, nine hundred ninety-nine".