42118151 has 8 divisors (see below), whose sum is σ = 42727200. Its totient is φ = 41513472.

The previous prime is 42118067. The next prime is 42118189. The reversal of 42118151 is 15181124.

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 42118151 - 2¹⁴ = 42101767 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 (42118751) 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, 21551 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (5340900).

Almost surely, 2^42118151 is an apocalyptic number.

42118151 is a deficient number, since it is larger than the sum of its proper divisors (609049).

42118151 is a wasteful number, since it uses less digits than its factorization.

42118151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 320, while the sum is 23.

The square root of 42118151 is about 6489.8498441798. The cubic root of 42118151 is about 347.9283085463.

Adding to 42118151 its reverse (15181124), we get a palindrome (57299275).

The spelling of 42118151 in words is "forty-two million, one hundred eighteen thousand, one hundred fifty-one".