42177201 has 8 divisors (see below), whose sum is σ = 61348704. Its totient is φ = 25561920.

The previous prime is 42177173. The next prime is 42177203. The reversal of 42177201 is 10277124.

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

It is not a de Polignac number, because 42177201 - 2⁹ = 42176689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42177203) 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, 639016 + ... + 639081.

It is an arithmetic number, because the mean of its divisors is an integer number (7668588).

Almost surely, 2^42177201 is an apocalyptic number.

It is an amenable number.

42177201 is a deficient number, since it is larger than the sum of its proper divisors (19171503).

42177201 is a wasteful number, since it uses less digits than its factorization.

42177201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278111.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 42177201 is about 6494.3976626012. The cubic root of 42177201 is about 348.0908320831.

The spelling of 42177201 in words is "forty-two million, one hundred seventy-seven thousand, two hundred one".