126540333 has 32 divisors (see below), whose sum is σ = 203886720. Its totient is φ = 77241600.

The previous prime is 126540329. The next prime is 126540343. The reversal of 126540333 is 333045621.

It is a happy number.

126540333 is a `hidden beast` number, since 1 + 2 + 654 + 0 + 3 + 3 + 3 = 666.

It is not a de Polignac number, because 126540333 - 2² = 126540329 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 126540297 and 126540306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126540343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13258 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (6371460).

Almost surely, 2^126540333 is an apocalyptic number.

It is an amenable number.

126540333 is a deficient number, since it is larger than the sum of its proper divisors (77346387).

126540333 is a wasteful number, since it uses less digits than its factorization.

126540333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514 (or 7508 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 126540333 is about 11249.0147568576. The cubic root of 126540333 is about 502.0453986127.

Adding to 126540333 its reverse (333045621), we get a palindrome (459585954).

The spelling of 126540333 in words is "one hundred twenty-six million, five hundred forty thousand, three hundred thirty-three".