242420607 has 40 divisors (see below), whose sum is σ = 425465040. Its totient is φ = 135613440.

The previous prime is 242420593. The next prime is 242420623. The reversal of 242420607 is 706024242.

It is a happy number.

It is not a de Polignac number, because 242420607 - 2⁶ = 242420543 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242400607) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1119 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (10636626).

Almost surely, 2^242420607 is an apocalyptic number.

242420607 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242420607 is a deficient number, since it is larger than the sum of its proper divisors (183044433).

242420607 is a wasteful number, since it uses less digits than its factorization.

242420607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20965 (or 20956 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 242420607 is about 15569.8621381180. The cubic root of 242420607 is about 623.5287908940.

Adding to 242420607 its reverse (706024242), we get a palindrome (948444849).

The spelling of 242420607 in words is "two hundred forty-two million, four hundred twenty thousand, six hundred seven".