126311444 has 12 divisors (see below), whose sum is σ = 252622944. Its totient is φ = 54133464.

The previous prime is 126311417. The next prime is 126311473. The reversal of 126311444 is 444113621.

It is a happy number.

126311444 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 2255534 + ... + 2255589.

It is an arithmetic number, because the mean of its divisors is an integer number (21051912).

Almost surely, 2^126311444 is an apocalyptic number.

126311444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126311444 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.

126311444 is a wasteful number, since it uses less digits than its factorization.

126311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511134 (or 4511132 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 126311444 is about 11238.8364166403. The cubic root of 126311444 is about 501.7425122476.

The spelling of 126311444 in words is "one hundred twenty-six million, three hundred eleven thousand, four hundred forty-four".