242455126 has 4 divisors (see below), whose sum is σ = 363682692. Its totient is φ = 121227562.

The previous prime is 242455097. The next prime is 242455127. The reversal of 242455126 is 621554242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621554242 = 2 ⋅310777121.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60613780 + ... + 60613783.

It is an arithmetic number, because the mean of its divisors is an integer number (90920673).

Almost surely, 2^242455126 is an apocalyptic number.

242455126 is a deficient number, since it is larger than the sum of its proper divisors (121227566).

242455126 is a wasteful number, since it uses less digits than its factorization.

242455126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121227565.

The product of its digits is 19200, while the sum is 31.

The square root of 242455126 is about 15570.9706184297. The cubic root of 242455126 is about 623.5583848699.

The spelling of 242455126 in words is "two hundred forty-two million, four hundred fifty-five thousand, one hundred twenty-six".