242421134 has 8 divisors (see below), whose sum is σ = 364428768. Its totient is φ = 120944880.

The previous prime is 242421131. The next prime is 242421169. The reversal of 242421134 is 431124242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242421131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131702 + ... + 133529.

It is an arithmetic number, because the mean of its divisors is an integer number (45553596).

Almost surely, 2^242421134 is an apocalyptic number.

242421134 is a deficient number, since it is larger than the sum of its proper divisors (122007634).

242421134 is a wasteful number, since it uses less digits than its factorization.

242421134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265690.

The product of its digits is 1536, while the sum is 23.

The square root of 242421134 is about 15569.8790618296. The cubic root of 242421134 is about 623.5292427250.

Adding to 242421134 its reverse (431124242), we get a palindrome (673545376).

The spelling of 242421134 in words is "two hundred forty-two million, four hundred twenty-one thousand, one hundred thirty-four".