126238142 has 8 divisors (see below), whose sum is σ = 192024432. Its totient is φ = 62230000.

The previous prime is 126238087. The next prime is 126238157. The reversal of 126238142 is 241832621.

It is a happy number.

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

It is a super-2 number, since 2×126238142² = 31872136991224328, which contains 22 as substring.

It is a congruent number.

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, 444359 + ... + 444642.

It is an arithmetic number, because the mean of its divisors is an integer number (24003054).

Almost surely, 2^126238142 is an apocalyptic number.

126238142 is a deficient number, since it is larger than the sum of its proper divisors (65786290).

126238142 is an equidigital number, since it uses as much as digits as its factorization.

126238142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889074.

The product of its digits is 4608, while the sum is 29.

The square root of 126238142 is about 11235.5748406568. The cubic root of 126238142 is about 501.6454351464.

The spelling of 126238142 in words is "one hundred twenty-six million, two hundred thirty-eight thousand, one hundred forty-two".