43242101 has 8 divisors (see below), whose sum is σ = 52326720. Its totient is φ = 34884288.

The previous prime is 43242079. The next prime is 43242109. The reversal of 43242101 is 10124234.

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

It is a cyclic number.

It is not a de Polignac number, because 43242101 - 2⁶ = 43242037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43242101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181571 + ... + 181808.

It is an arithmetic number, because the mean of its divisors is an integer number (6540840).

Almost surely, 2^43242101 is an apocalyptic number.

It is an amenable number.

43242101 is a deficient number, since it is larger than the sum of its proper divisors (9084619).

43242101 is a wasteful number, since it uses less digits than its factorization.

43242101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363403.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43242101 is about 6575.8726417108. The cubic root of 43242101 is about 350.9960768278.

Adding to 43242101 its reverse (10124234), we get a palindrome (53366335).

The spelling of 43242101 in words is "forty-three million, two hundred forty-two thousand, one hundred one".