126254040 has 128 divisors (see below), whose sum is σ = 417726720. Its totient is φ = 30272000.

The previous prime is 126254033. The next prime is 126254071. The reversal of 126254040 is 40452621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 126254040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132847 + ... + 133793.

It is an arithmetic number, because the mean of its divisors is an integer number (3263490).

Almost surely, 2^126254040 is an apocalyptic number.

126254040 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 126254040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208863360).

126254040 is an abundant number, since it is smaller than the sum of its proper divisors (291472680).

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

126254040 is a wasteful number, since it uses less digits than its factorization.

126254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126254040 is about 11236.2823033244. The cubic root of 126254040 is about 501.6664927661. Note that the first 3 decimals are identical.

The spelling of 126254040 in words is "one hundred twenty-six million, two hundred fifty-four thousand, forty".