242510115 has 16 divisors (see below), whose sum is σ = 388528128. Its totient is φ = 129168096.

The previous prime is 242510087. The next prime is 242510131. The reversal of 242510115 is 511015242.

242510115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242510115 - 2¹⁷ = 242379043 is a prime.

It is a super-2 number, since 2×242510115² = 117622311754626450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242510091 and 242510100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (24283008).

Almost surely, 2^242510115 is an apocalyptic number.

242510115 is a deficient number, since it is larger than the sum of its proper divisors (146018013).

242510115 is a wasteful number, since it uses less digits than its factorization.

242510115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21338.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 242510115 is about 15572.7362720878. The cubic root of 242510115 is about 623.6055224725.

Adding to 242510115 its reverse (511015242), we get a palindrome (753525357).

The spelling of 242510115 in words is "two hundred forty-two million, five hundred ten thousand, one hundred fifteen".