101125085 has 4 divisors (see below), whose sum is σ = 121350108. Its totient is φ = 80900064.

The previous prime is 101125081. The next prime is 101125103. The reversal of 101125085 is 580521101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 88472836 = 3557^2 + 9406^2 .

It is a cyclic number.

It is not a de Polignac number, because 101125085 - 2² = 101125081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101125085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101125081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10112504 + ... + 10112513.

It is an arithmetic number, because the mean of its divisors is an integer number (30337527).

Almost surely, 2^101125085 is an apocalyptic number.

It is an amenable number.

101125085 is a deficient number, since it is larger than the sum of its proper divisors (20225023).

101125085 is an equidigital number, since it uses as much as digits as its factorization.

101125085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225022.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 101125085 is about 10056.0969068521. The cubic root of 101125085 is about 465.8931229658.

Adding to 101125085 its reverse (580521101), we get a palindrome (681646186).

The spelling of 101125085 in words is "one hundred one million, one hundred twenty-five thousand, eighty-five".