42044101 has 4 divisors (see below), whose sum is σ = 45866304. Its totient is φ = 38221900.

The previous prime is 42044089. The next prime is 42044117. The reversal of 42044101 is 10144024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42044101 - 2¹¹ = 42042053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044501) 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, 1911085 + ... + 1911106.

It is an arithmetic number, because the mean of its divisors is an integer number (11466576).

Almost surely, 2^42044101 is an apocalyptic number.

It is an amenable number.

42044101 is a deficient number, since it is larger than the sum of its proper divisors (3822203).

42044101 is a wasteful number, since it uses less digits than its factorization.

42044101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822202.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42044101 is about 6484.1422717272. The cubic root of 42044101 is about 347.7242856215.

Adding to 42044101 its reverse (10144024), we get a palindrome (52188125).

It can be divided in two parts, 420 and 44101, that added together give a square (44521 = 211²).

The spelling of 42044101 in words is "forty-two million, forty-four thousand, one hundred one".