126459642 has 8 divisors (see below), whose sum is σ = 252919296. Its totient is φ = 42153212.

The previous prime is 126459637. The next prime is 126459659. The reversal of 126459642 is 246954621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

126459642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 126459642.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10538298 + ... + 10538309.

It is an arithmetic number, because the mean of its divisors is an integer number (31614912).

Almost surely, 2^126459642 is an apocalyptic number.

126459642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126459642 is a wasteful number, since it uses less digits than its factorization.

126459642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076612.

The product of its digits is 103680, while the sum is 39.

The square root of 126459642 is about 11245.4276041420. The cubic root of 126459642 is about 501.9386627914.

It can be divided in two parts, 1264 and 59642, that added together give a palindrome (60906).

The spelling of 126459642 in words is "one hundred twenty-six million, four hundred fifty-nine thousand, six hundred forty-two".