142001241 has 16 divisors (see below), whose sum is σ = 201775104. Its totient is φ = 88622864.

The previous prime is 142001239. The next prime is 142001263. The reversal of 142001241 is 142100241.

It is not a de Polignac number, because 142001241 - 2¹ = 142001239 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142001241.

It is not an unprimeable number, because it can be changed into a prime (142001201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18651 + ... + 25136.

It is an arithmetic number, because the mean of its divisors is an integer number (12610944).

Almost surely, 2^142001241 is an apocalyptic number.

It is an amenable number.

142001241 is a deficient number, since it is larger than the sum of its proper divisors (59773863).

142001241 is a wasteful number, since it uses less digits than its factorization.

142001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43860.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 142001241 is about 11916.4273589025. The cubic root of 142001241 is about 521.7118644414.

Adding to 142001241 its reverse (142100241), we get a palindrome (284101482).

The spelling of 142001241 in words is "one hundred forty-two million, one thousand, two hundred forty-one".