242651087 has 12 divisors (see below), whose sum is σ = 283288176. Its totient is φ = 207234720.

The previous prime is 242651077. The next prime is 242651099. The reversal of 242651087 is 780156242.

It is not a de Polignac number, because 242651087 - 2⁶ = 242651023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242651077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4958 + ... + 22580.

It is an arithmetic number, because the mean of its divisors is an integer number (23607348).

Almost surely, 2^242651087 is an apocalyptic number.

242651087 is a deficient number, since it is larger than the sum of its proper divisors (40637089).

242651087 is a wasteful number, since it uses less digits than its factorization.

242651087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17918 (or 17911 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 242651087 is about 15577.2618582343. The cubic root of 242651087 is about 623.7263337754.

It can be divided in two parts, 24265 and 1087, that added together give a palindrome (25352).

The spelling of 242651087 in words is "two hundred forty-two million, six hundred fifty-one thousand, eighty-seven".