126051418 has 4 divisors (see below), whose sum is σ = 189077130. Its totient is φ = 63025708.

The previous prime is 126051391. The next prime is 126051421. The reversal of 126051418 is 814150621.

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

It can be written as a sum of positive squares in only one way, i.e., 121154049 + 4897369 = 11007^2 + 2213^2 .

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, 31512853 + ... + 31512856.

Almost surely, 2^126051418 is an apocalyptic number.

126051418 is a deficient number, since it is larger than the sum of its proper divisors (63025712).

126051418 is an equidigital number, since it uses as much as digits as its factorization.

126051418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63025711.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 126051418 is about 11227.2622664655. The cubic root of 126051418 is about 501.3979783370.

The spelling of 126051418 in words is "one hundred twenty-six million, fifty-one thousand, four hundred eighteen".