126306040 has 32 divisors (see below), whose sum is σ = 324787680. Its totient is φ = 43304832.

The previous prime is 126306031. The next prime is 126306067. The reversal of 126306040 is 40603621.

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, 225267 + ... + 225826.

It is an arithmetic number, because the mean of its divisors is an integer number (10149615).

Almost surely, 2^126306040 is an apocalyptic number.

126306040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126306040 is an abundant number, since it is smaller than the sum of its proper divisors (198481640).

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

126306040 is a wasteful number, since it uses less digits than its factorization.

126306040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451111 (or 451107 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 126306040 is about 11238.5959977214. The cubic root of 126306040 is about 501.7353567725.

Adding to 126306040 its reverse (40603621), we get a palindrome (166909661).

The spelling of 126306040 in words is "one hundred twenty-six million, three hundred six thousand, forty".