242412507 has 20 divisors (see below), whose sum is σ = 381183880. Its totient is φ = 153101664.

The previous prime is 242412473. The next prime is 242412509. The reversal of 242412507 is 705214242.

242412507 is a `hidden beast` number, since 242 + 412 + 5 + 0 + 7 = 666.

It is not a de Polignac number, because 242412507 - 2¹¹ = 242410459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242412509) 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 19 ways as a sum of consecutive naturals, for example, 77218 + ... + 80295.

It is an arithmetic number, because the mean of its divisors is an integer number (19059194).

Almost surely, 2^242412507 is an apocalyptic number.

242412507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242412507 is a deficient number, since it is larger than the sum of its proper divisors (138771373).

242412507 is a wasteful number, since it uses less digits than its factorization.

242412507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157544 (or 157535 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 242412507 is about 15569.6020180350. The cubic root of 242412507 is about 623.5218461606.

Adding to 242412507 its reverse (705214242), we get a palindrome (947626749).

The spelling of 242412507 in words is "two hundred forty-two million, four hundred twelve thousand, five hundred seven".