42151201 has 8 divisors (see below), whose sum is σ = 42948360. Its totient is φ = 41361408.

The previous prime is 42151199. The next prime is 42151229. The reversal of 42151201 is 10215124.

It can be written as a sum of positive squares in 4 ways, for example, as 160801 + 41990400 = 401^2 + 6480^2 .

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 42151201 - 2¹ = 42151199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42151231) 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, 10465 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (5368545).

Almost surely, 2^42151201 is an apocalyptic number.

It is an amenable number.

42151201 is a deficient number, since it is larger than the sum of its proper divisors (797159).

42151201 is a wasteful number, since it uses less digits than its factorization.

42151201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 42151201 is about 6492.3956287337. The cubic root of 42151201 is about 348.0192908890.

Adding to 42151201 its reverse (10215124), we get a palindrome (52366325).

The spelling of 42151201 in words is "forty-two million, one hundred fifty-one thousand, two hundred one".