42111601 has 8 divisors (see below), whose sum is σ = 50958720. Its totient is φ = 33972288.

The previous prime is 42111593. The next prime is 42111611. The reversal of 42111601 is 10611124.

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

It is not a de Polignac number, because 42111601 - 2³ = 42111593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42111611) 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, 176821 + ... + 177058.

It is an arithmetic number, because the mean of its divisors is an integer number (6369840).

Almost surely, 2^42111601 is an apocalyptic number.

It is an amenable number.

42111601 is a deficient number, since it is larger than the sum of its proper divisors (8847119).

42111601 is a wasteful number, since it uses less digits than its factorization.

42111601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353903.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 42111601 is about 6489.3451903871. The cubic root of 42111601 is about 347.9102715993.

Adding to 42111601 its reverse (10611124), we get a palindrome (52722725).

The spelling of 42111601 in words is "forty-two million, one hundred eleven thousand, six hundred one".