101126091 has 8 divisors (see below), whose sum is σ = 147092544. Its totient is φ = 61288520.

The previous prime is 101126057. The next prime is 101126111. The reversal of 101126091 is 190621101.

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 101126091 - 2¹⁰ = 101125067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101126041) 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, 1532181 + ... + 1532246.

It is an arithmetic number, because the mean of its divisors is an integer number (18386568).

Almost surely, 2^101126091 is an apocalyptic number.

101126091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101126091 is a deficient number, since it is larger than the sum of its proper divisors (45966453).

101126091 is a wasteful number, since it uses less digits than its factorization.

101126091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064441.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 101126091 is about 10056.1469261343. The cubic root of 101126091 is about 465.8946678740.

Adding to 101126091 its reverse (190621101), we get a palindrome (291747192).

The spelling of 101126091 in words is "one hundred one million, one hundred twenty-six thousand, ninety-one".