91126100 has 72 divisors (see below), whose sum is σ = 214652928. Its totient is φ = 33379200.

The previous prime is 91126039. The next prime is 91126111. The reversal of 91126100 is 162119.

It is a super-2 number, since 2×91126100² = 16607932202420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248117 + ... + 248483.

Almost surely, 2^91126100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91126100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107326464).

91126100 is an abundant number, since it is smaller than the sum of its proper divisors (123526828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91126100 is a wasteful number, since it uses less digits than its factorization.

91126100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 91126100 is about 9545.9991619526. Note that the first 3 decimals coincide. The cubic root of 91126100 is about 450.0018106923.

Adding to 91126100 its reverse (162119), we get a palindrome (91288219).

The spelling of 91126100 in words is "ninety-one million, one hundred twenty-six thousand, one hundred".