126220444 has 24 divisors (see below), whose sum is σ = 267291360. Its totient is φ = 50912256.

The previous prime is 126220421. The next prime is 126220469. The reversal of 126220444 is 444022621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132109 + ... + 133060.

It is an arithmetic number, because the mean of its divisors is an integer number (11137140).

Almost surely, 2^126220444 is an apocalyptic number.

126220444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126220444 is an abundant number, since it is smaller than the sum of its proper divisors (141070916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126220444 is a wasteful number, since it uses less digits than its factorization.

126220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265197 (or 265195 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 126220444 is about 11234.7872253995. The cubic root of 126220444 is about 501.6219912657.

The spelling of 126220444 in words is "one hundred twenty-six million, two hundred twenty thousand, four hundred forty-four".