240001242 has 16 divisors (see below), whose sum is σ = 516925920. Its totient is φ = 73846512.

The previous prime is 240001219. The next prime is 240001247. The reversal of 240001242 is 242100042.

It is not an unprimeable number, because it can be changed into a prime (240001247) 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 7 ways as a sum of consecutive naturals, for example, 1538392 + ... + 1538547.

It is an arithmetic number, because the mean of its divisors is an integer number (32307870).

Almost surely, 2^240001242 is an apocalyptic number.

240001242 is an abundant number, since it is smaller than the sum of its proper divisors (276924678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240001242 is a wasteful number, since it uses less digits than its factorization.

240001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076957.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 240001242 is about 15491.9734701554. The cubic root of 240001242 is about 621.4475731841.

Adding to 240001242 its reverse (242100042), we get a palindrome (482101284).

The spelling of 240001242 in words is "two hundred forty million, one thousand, two hundred forty-two".