126120135 has 8 divisors (see below), whose sum is σ = 201792240. Its totient is φ = 67264064.

The previous prime is 126120133. The next prime is 126120143. The reversal of 126120135 is 531021621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126120135 - 2¹ = 126120133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126120131) 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 7 ways as a sum of consecutive naturals, for example, 4203990 + ... + 4204019.

It is an arithmetic number, because the mean of its divisors is an integer number (25224030).

Almost surely, 2^126120135 is an apocalyptic number.

126120135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126120135 is a deficient number, since it is larger than the sum of its proper divisors (75672105).

126120135 is an equidigital number, since it uses as much as digits as its factorization.

126120135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408017.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 126120135 is about 11230.3221236080. The cubic root of 126120135 is about 501.4890742467.

Adding to 126120135 its reverse (531021621), we get a palindrome (657141756).

The spelling of 126120135 in words is "one hundred twenty-six million, one hundred twenty thousand, one hundred thirty-five".