1111000133 has 8 divisors (see below), whose sum is σ = 1179323352. Its totient is φ = 1043006976.

The previous prime is 1111000109. The next prime is 1111000139. The reversal of 1111000133 is 3310001111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 451435009 + 659565124 = 21247^2 + 25682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111000133 - 2²² = 1106805829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75560 + ... + 89057.

It is an arithmetic number, because the mean of its divisors is an integer number (147415419).

Almost surely, 2^1111000133 is an apocalyptic number.

It is an amenable number.

1111000133 is a deficient number, since it is larger than the sum of its proper divisors (68323219).

1111000133 is a wasteful number, since it uses less digits than its factorization.

1111000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165031.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1111000133 is about 33331.6686200976. The cubic root of 1111000133 is about 1035.7096840237.

Adding to 1111000133 its reverse (3310001111), we get a palindrome (4421001244).

The spelling of 1111000133 in words is "one billion, one hundred eleven million, one hundred thirty-three", and thus it is an aban number.