242108126 has 16 divisors (see below), whose sum is σ = 391550544. Its totient is φ = 111612864.

The previous prime is 242108123. The next prime is 242108129. The reversal of 242108126 is 621801242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242108123) and next prime (242108129).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 242108095 and 242108104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242108123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19706 + ... + 29538.

It is an arithmetic number, because the mean of its divisors is an integer number (24471909).

Almost surely, 2^242108126 is an apocalyptic number.

242108126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242108126 is a deficient number, since it is larger than the sum of its proper divisors (149442418).

242108126 is a wasteful number, since it uses less digits than its factorization.

242108126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 242108126 is about 15559.8240992628. The cubic root of 242108126 is about 623.2607654438.

Adding to 242108126 its reverse (621801242), we get a palindrome (863909368).

The spelling of 242108126 in words is "two hundred forty-two million, one hundred eight thousand, one hundred twenty-six".