126019040 has 96 divisors (see below), whose sum is σ = 349562304. Its totient is φ = 42024960.

The previous prime is 126019037. The next prime is 126019067. The reversal of 126019040 is 40910621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126018997 and 126019015.

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 15 ways as a sum of consecutive naturals, for example, 39920 + ... + 42960.

It is an arithmetic number, because the mean of its divisors is an integer number (3641274).

Almost surely, 2^126019040 is an apocalyptic number.

126019040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126019040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174781152).

126019040 is an abundant number, since it is smaller than the sum of its proper divisors (223543264).

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

126019040 is a wasteful number, since it uses less digits than its factorization.

126019040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 126019040 is about 11225.8202372922. The cubic root of 126019040 is about 501.3550443920.

Adding to 126019040 its reverse (40910621), we get a palindrome (166929661).

The spelling of 126019040 in words is "one hundred twenty-six million, nineteen thousand, forty".