126500418 has 54 divisors (see below), whose sum is σ = 302521401. Its totient is φ = 38174400.

The previous prime is 126500399. The next prime is 126500419. The reversal of 126500418 is 814005621.

126500418 is a `hidden beast` number, since 1 + 2 + 650 + 0 + 4 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 117874449 + 8625969 = 10857^2 + 2937^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7953.

It is a junction number, because it is equal to n+sod(n) for n = 126500391 and 126500400.

It is not an unprimeable number, because it can be changed into a prime (126500419) 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 26 ways as a sum of consecutive naturals, for example, 524778 + ... + 525018.

Almost surely, 2^126500418 is an apocalyptic number.

126500418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126500418

126500418 is an abundant number, since it is smaller than the sum of its proper divisors (176020983).

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

126500418 is a wasteful number, since it uses less digits than its factorization.

126500418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 126500418 is about 11247.2404615532. The cubic root of 126500418 is about 501.9926058286.

The spelling of 126500418 in words is "one hundred twenty-six million, five hundred thousand, four hundred eighteen".