126133105 has 16 divisors (see below), whose sum is σ = 176515200. Its totient is φ = 86490096.

The previous prime is 126133103. The next prime is 126133109. The reversal of 126133105 is 501331621.

It is a happy number.

It is not a de Polignac number, because 126133105 - 2¹ = 126133103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126133103) 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, 35059 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (11032200).

Almost surely, 2^126133105 is an apocalyptic number.

It is an amenable number.

126133105 is a deficient number, since it is larger than the sum of its proper divisors (50382095).

126133105 is an frugal number, since it uses more digits than its factorization.

126133105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73573 (or 73559 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 126133105 is about 11230.8995632585. The cubic root of 126133105 is about 501.5062644449.

Adding to 126133105 its reverse (501331621), we get a palindrome (627464726).

The spelling of 126133105 in words is "one hundred twenty-six million, one hundred thirty-three thousand, one hundred five".