101748561 has 8 divisors (see below), whose sum is σ = 138551424. Its totient is φ = 66389040.

The previous prime is 101748551. The next prime is 101748583. The reversal of 101748561 is 165847101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101748561 - 2⁵ = 101748529 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (101748551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360670 + ... + 360951.

It is an arithmetic number, because the mean of its divisors is an integer number (17318928).

Almost surely, 2^101748561 is an apocalyptic number.

It is an amenable number.

101748561 is a deficient number, since it is larger than the sum of its proper divisors (36802863).

101748561 is an equidigital number, since it uses as much as digits as its factorization.

101748561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721671.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 101748561 is about 10087.0491720820. The cubic root of 101748561 is about 466.8486335151.

The spelling of 101748561 in words is "one hundred one million, seven hundred forty-eight thousand, five hundred sixty-one".