106381001 has 4 divisors (see below), whose sum is σ = 106547604. Its totient is φ = 106214400.

The previous prime is 106380983. The next prime is 106381007. The reversal of 106381001 is 100183601.

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 98982601 + 7398400 = 9949^2 + 2720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106381001 is a prime.

It is a super-2 number, since 2×106381001² = 22633834747524002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106381007) 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, 82340 + ... + 83621.

It is an arithmetic number, because the mean of its divisors is an integer number (26636901).

Almost surely, 2^106381001 is an apocalyptic number.

It is an amenable number.

106381001 is a deficient number, since it is larger than the sum of its proper divisors (166603).

106381001 is an equidigital number, since it uses as much as digits as its factorization.

106381001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166602.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 106381001 is about 10314.1165884432. The cubic root of 106381001 is about 473.8286944691.

The spelling of 106381001 in words is "one hundred six million, three hundred eighty-one thousand, one".