242421130 has 24 divisors (see below), whose sum is σ = 507601188. Its totient is φ = 83115648.

The previous prime is 242421107. The next prime is 242421131. The reversal of 242421130 is 31124242.

242421130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 241274089 + 1147041 = 15533^2 + 1071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242421098 and 242421107.

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 11 ways as a sum of consecutive naturals, for example, 246879 + ... + 247858.

Almost surely, 2^242421130 is an apocalyptic number.

242421130 is an abundant number, since it is smaller than the sum of its proper divisors (265180058).

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

242421130 is a wasteful number, since it uses less digits than its factorization.

242421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494758 (or 494751 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242421130 is about 15569.8789333765. The cubic root of 242421130 is about 623.5292392956.

Adding to 242421130 its reverse (31124242), we get a palindrome (273545372).

The spelling of 242421130 in words is "two hundred forty-two million, four hundred twenty-one thousand, one hundred thirty".