101566241 has 4 divisors (see below), whose sum is σ = 116075712. Its totient is φ = 87056772.

The previous prime is 101566189. The next prime is 101566243. The reversal of 101566241 is 142665101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101566241 - 2¹⁸ = 101304097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101566241.

It is not an unprimeable number, because it can be changed into a prime (101566243) 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, 7254725 + ... + 7254738.

It is an arithmetic number, because the mean of its divisors is an integer number (29018928).

Almost surely, 2^101566241 is an apocalyptic number.

It is an amenable number.

101566241 is a deficient number, since it is larger than the sum of its proper divisors (14509471).

101566241 is an equidigital number, since it uses as much as digits as its factorization.

101566241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14509470.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 101566241 is about 10078.0077892409. The cubic root of 101566241 is about 466.5696230751.

The spelling of 101566241 in words is "one hundred one million, five hundred sixty-six thousand, two hundred forty-one".