101382401 has 4 divisors (see below), whose sum is σ = 101438292. Its totient is φ = 101326512.

The previous prime is 101382397. The next prime is 101382403. The reversal of 101382401 is 104283101.

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 32890225 + 68492176 = 5735^2 + 8276^2 .

It is a cyclic number.

It is not a de Polignac number, because 101382401 - 2² = 101382397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101382403) 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 3 ways as a sum of consecutive naturals, for example, 25130 + ... + 28883.

It is an arithmetic number, because the mean of its divisors is an integer number (25359573).

Almost surely, 2^101382401 is an apocalyptic number.

It is an amenable number.

101382401 is a deficient number, since it is larger than the sum of its proper divisors (55891).

101382401 is an equidigital number, since it uses as much as digits as its factorization.

101382401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55890.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101382401 is about 10068.8828079385. The cubic root of 101382401 is about 466.2879482370.

The spelling of 101382401 in words is "one hundred one million, three hundred eighty-two thousand, four hundred one".