126251404 has 12 divisors (see below), whose sum is σ = 221470200. Its totient is φ = 62974208.

The previous prime is 126251387. The next prime is 126251407. The reversal of 126251404 is 404152621.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (126251407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 35989 + ... + 39340.

It is an arithmetic number, because the mean of its divisors is an integer number (18455850).

Almost surely, 2^126251404 is an apocalyptic number.

It is an amenable number.

126251404 is a deficient number, since it is larger than the sum of its proper divisors (95218796).

126251404 is a wasteful number, since it uses less digits than its factorization.

126251404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75752 (or 75750 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 126251404 is about 11236.1650041284. The cubic root of 126251404 is about 501.6630013872.

The spelling of 126251404 in words is "one hundred twenty-six million, two hundred fifty-one thousand, four hundred four".