126043120 has 40 divisors (see below), whose sum is σ = 334916064. Its totient is φ = 43214592.

The previous prime is 126043109. The next prime is 126043121. The reversal of 126043120 is 21340621.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126043121) 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 7 ways as a sum of consecutive naturals, for example, 111979 + ... + 113098.

Almost surely, 2^126043120 is an apocalyptic number.

126043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126043120 is an abundant number, since it is smaller than the sum of its proper divisors (208872944).

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

126043120 is a wasteful number, since it uses less digits than its factorization.

126043120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225097 (or 225091 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 126043120 is about 11226.8927134804. The cubic root of 126043120 is about 501.3869757059.

Adding to 126043120 its reverse (21340621), we get a palindrome (147383741).

The spelling of 126043120 in words is "one hundred twenty-six million, forty-three thousand, one hundred twenty".