126143126 has 4 divisors (see below), whose sum is σ = 189214692. Its totient is φ = 63071562.

The previous prime is 126143117. The next prime is 126143141. The reversal of 126143126 is 621341621.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 126143095 and 126143104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31535780 + ... + 31535783.

It is an arithmetic number, because the mean of its divisors is an integer number (47303673).

Almost surely, 2^126143126 is an apocalyptic number.

126143126 is a deficient number, since it is larger than the sum of its proper divisors (63071566).

126143126 is an equidigital number, since it uses as much as digits as its factorization.

126143126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63071565.

The product of its digits is 1728, while the sum is 26.

The square root of 126143126 is about 11231.3456896313. The cubic root of 126143126 is about 501.5195452860.

Adding to 126143126 its reverse (621341621), we get a palindrome (747484747).

The spelling of 126143126 in words is "one hundred twenty-six million, one hundred forty-three thousand, one hundred twenty-six".