126120432 has 20 divisors (see below), whose sum is σ = 325811240. Its totient is φ = 42040128.

The previous prime is 126120427. The next prime is 126120439. The reversal of 126120432 is 234021621.

It is a junction number, because it is equal to n+sod(n) for n = 126120399 and 126120408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126120439) 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, 1313707 + ... + 1313802.

It is an arithmetic number, because the mean of its divisors is an integer number (16290562).

Almost surely, 2^126120432 is an apocalyptic number.

126120432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126120432 is an abundant number, since it is smaller than the sum of its proper divisors (199690808).

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

126120432 is a wasteful number, since it uses less digits than its factorization.

126120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627520 (or 2627514 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 126120432 is about 11230.3353467294. The cubic root of 126120432 is about 501.4894678982.

The spelling of 126120432 in words is "one hundred twenty-six million, one hundred twenty thousand, four hundred thirty-two".