242107215 has 32 divisors (see below), whose sum is σ = 466014720. Its totient is φ = 104851584.

The previous prime is 242107189. The next prime is 242107219. The reversal of 242107215 is 512701242.

It is not a de Polignac number, because 242107215 - 2¹² = 242103119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242107219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58684 + ... + 62673.

It is an arithmetic number, because the mean of its divisors is an integer number (14562960).

Almost surely, 2^242107215 is an apocalyptic number.

242107215 is a deficient number, since it is larger than the sum of its proper divisors (223907505).

242107215 is a wasteful number, since it uses less digits than its factorization.

242107215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121391.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 242107215 is about 15559.7948251254. The cubic root of 242107215 is about 623.2599837115.

Adding to 242107215 its reverse (512701242), we get a palindrome (754808457).

The spelling of 242107215 in words is "two hundred forty-two million, one hundred seven thousand, two hundred fifteen".