100001133 has 12 divisors (see below), whose sum is σ = 149106048. Its totient is φ = 64516680.

The previous prime is 100001131. The next prime is 100001147. The reversal of 100001133 is 331100001.

It is not a de Polignac number, because 100001133 - 2¹ = 100001131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178935 + ... + 179492.

It is an arithmetic number, because the mean of its divisors is an integer number (12425504).

Almost surely, 2^100001133 is an apocalyptic number.

It is an amenable number.

100001133 is a deficient number, since it is larger than the sum of its proper divisors (49104915).

100001133 is a wasteful number, since it uses less digits than its factorization.

100001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358464 (or 358461 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 100001133 is about 10000.0566498395. The cubic root of 100001133 is about 464.1606363280.

Adding to 100001133 its reverse (331100001), we get a palindrome (431101134).

The spelling of 100001133 in words is "one hundred million, one thousand, one hundred thirty-three".