115021133 has 12 divisors (see below), whose sum is σ = 122651412. Its totient is φ = 107842560.

The previous prime is 115021069. The next prime is 115021139. The reversal of 115021133 is 331120511.

It can be written as a sum of positive squares in 6 ways, for example, as 19333609 + 95687524 = 4397^2 + 9782^2 .

It is not a de Polignac number, because 115021133 - 2⁶ = 115021069 is a prime.

It is a super-2 number, since 2×115021133² = 26459722073207378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115021139) 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, 96803 + ... + 97983.

It is an arithmetic number, because the mean of its divisors is an integer number (10220951).

Almost surely, 2^115021133 is an apocalyptic number.

It is an amenable number.

115021133 is a deficient number, since it is larger than the sum of its proper divisors (7630279).

115021133 is a wasteful number, since it uses less digits than its factorization.

115021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 115021133 is about 10724.7905807060. The cubic root of 115021133 is about 486.3241992845.

Adding to 115021133 its reverse (331120511), we get a palindrome (446141644).

The spelling of 115021133 in words is "one hundred fifteen million, twenty-one thousand, one hundred thirty-three".