126343040 has 64 divisors (see below), whose sum is σ = 304886160. Its totient is φ = 50061312.

The previous prime is 126343001. The next prime is 126343051. The reversal of 126343040 is 40343621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 126342997 and 126343015.

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, 71447 + ... + 73193.

Almost surely, 2^126343040 is an apocalyptic number.

126343040 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 126343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152443080).

126343040 is an abundant number, since it is smaller than the sum of its proper divisors (178543120).

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

126343040 is a wasteful number, since it uses less digits than its factorization.

126343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 126343040 is about 11240.2419902776. The cubic root of 126343040 is about 501.7843446534.

Adding to 126343040 its reverse (40343621), we get a palindrome (166686661).

The spelling of 126343040 in words is "one hundred twenty-six million, three hundred forty-three thousand, forty".