126503316 has 48 divisors (see below), whose sum is σ = 333547200. Its totient is φ = 41450976.

The previous prime is 126503231. The next prime is 126503317. The reversal of 126503316 is 613305621.

126503316 is a `hidden beast` number, since 1 + 2 + 650 + 3 + 3 + 1 + 6 = 666.

It is a super-3 number, since 3×126503316³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 126503316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126503317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (6948900).

Almost surely, 2^126503316 is an apocalyptic number.

It is an amenable number.

126503316 is an abundant number, since it is smaller than the sum of its proper divisors (207043884).

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

126503316 is a wasteful number, since it uses less digits than its factorization.

126503316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19925 (or 19917 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 126503316 is about 11247.3692924168. The cubic root of 126503316 is about 501.9964391847.

Adding to 126503316 its reverse (613305621), we get a palindrome (739808937).

The spelling of 126503316 in words is "one hundred twenty-six million, five hundred three thousand, three hundred sixteen".