106128541 has 4 divisors (see below), whose sum is σ = 108717084. Its totient is φ = 103540000.

The previous prime is 106128527. The next prime is 106128553. The reversal of 106128541 is 145821601.

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 17222500 + 88906041 = 4150^2 + 9429^2 .

It is a cyclic number.

It is not a de Polignac number, because 106128541 - 2⁷ = 106128413 is a prime.

It is a super-2 number, since 2×106128541² = 22526534429577362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106128041) 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, 1294210 + ... + 1294291.

It is an arithmetic number, because the mean of its divisors is an integer number (27179271).

Almost surely, 2^106128541 is an apocalyptic number.

It is an amenable number.

106128541 is a deficient number, since it is larger than the sum of its proper divisors (2588543).

106128541 is an equidigital number, since it uses as much as digits as its factorization.

106128541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588542.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 106128541 is about 10301.8707524410. The cubic root of 106128541 is about 473.4535725195.

The spelling of 106128541 in words is "one hundred six million, one hundred twenty-eight thousand, five hundred forty-one".