126505363 has 16 divisors (see below), whose sum is σ = 136321920. Its totient is φ = 117040896.

The previous prime is 126505349. The next prime is 126505397. The reversal of 126505363 is 363505621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126505363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126505303) 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 15 ways as a sum of consecutive naturals, for example, 152556 + ... + 153382.

It is an arithmetic number, because the mean of its divisors is an integer number (8520120).

Almost surely, 2^126505363 is an apocalyptic number.

126505363 is a deficient number, since it is larger than the sum of its proper divisors (9816557).

126505363 is an equidigital number, since it uses as much as digits as its factorization.

126505363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 126505363 is about 11247.4602911057. The cubic root of 126505363 is about 501.9991468375. Note that the first 3 decimals are identical.

The spelling of 126505363 in words is "one hundred twenty-six million, five hundred five thousand, three hundred sixty-three".