242142124 has 18 divisors (see below), whose sum is σ = 492932580. Its totient is φ = 103775112.

The previous prime is 242142113. The next prime is 242142139. The reversal of 242142124 is 421241242.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 242142095 and 242142104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617514 + ... + 617905.

Almost surely, 2^242142124 is an apocalyptic number.

It is an amenable number.

242142124 is an abundant number, since it is smaller than the sum of its proper divisors (250790456).

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

242142124 is a wasteful number, since it uses less digits than its factorization.

242142124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235437 (or 1235428 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 242142124 is about 15560.9165539823. The cubic root of 242142124 is about 623.2899378472.

Adding to 242142124 its reverse (421241242), we get a palindrome (663383366).

The spelling of 242142124 in words is "two hundred forty-two million, one hundred forty-two thousand, one hundred twenty-four".