42032101 has 4 divisors (see below), whose sum is σ = 42047532. Its totient is φ = 42016672.

The previous prime is 42032099. The next prime is 42032129. The reversal of 42032101 is 10123024.

42032101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39312900 + 2719201 = 6270^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032101 - 2¹ = 42032099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (10511883).

Almost surely, 2^42032101 is an apocalyptic number.

It is an amenable number.

42032101 is a deficient number, since it is larger than the sum of its proper divisors (15431).

42032101 is a wasteful number, since it uses less digits than its factorization.

42032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42032101 is about 6483.2168712762. The cubic root of 42032101 is about 347.6912006118.

Adding to 42032101 its reverse (10123024), we get a palindrome (52155125).

It can be divided in two parts, 4203 and 2101, that multiplied together give a triangular number (8830503 = T₄₂₀₂).

The spelling of 42032101 in words is "forty-two million, thirty-two thousand, one hundred one".