42151241 has 8 divisors (see below), whose sum is σ = 46670304. Its totient is φ = 37746720.

The previous prime is 42151231. The next prime is 42151261. The reversal of 42151241 is 14215124.

It is a happy number.

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

It is not a de Polignac number, because 42151241 - 2¹⁰ = 42150217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42151231) 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 7 ways as a sum of consecutive naturals, for example, 27860 + ... + 29333.

It is an arithmetic number, because the mean of its divisors is an integer number (5833788).

Almost surely, 2^42151241 is an apocalyptic number.

It is an amenable number.

42151241 is a deficient number, since it is larger than the sum of its proper divisors (4519063).

42151241 is a wasteful number, since it uses less digits than its factorization.

42151241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57271.

The product of its digits is 320, while the sum is 20.

The square root of 42151241 is about 6492.3987092599. The cubic root of 42151241 is about 348.0194009750.

Adding to 42151241 its reverse (14215124), we get a palindrome (56366365).

The spelling of 42151241 in words is "forty-two million, one hundred fifty-one thousand, two hundred forty-one".