43042101 has 16 divisors (see below), whose sum is σ = 58339008. Its totient is φ = 28224000.

The previous prime is 43042081. The next prime is 43042133. The reversal of 43042101 is 10124034.

It is not a de Polignac number, because 43042101 - 2²¹ = 40944949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042171) 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 15 ways as a sum of consecutive naturals, for example, 61051 + ... + 61751.

It is an arithmetic number, because the mean of its divisors is an integer number (3646188).

Almost surely, 2^43042101 is an apocalyptic number.

It is an amenable number.

43042101 is a deficient number, since it is larger than the sum of its proper divisors (15296907).

43042101 is a wasteful number, since it uses less digits than its factorization.

43042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 43042101 is about 6560.6479100772. The cubic root of 43042101 is about 350.4541071629.

Adding to 43042101 its reverse (10124034), we get a palindrome (53166135).

The spelling of 43042101 in words is "forty-three million, forty-two thousand, one hundred one".