126320135 has 4 divisors (see below), whose sum is σ = 151584168. Its totient is φ = 101056104.

The previous prime is 126320123. The next prime is 126320137. The reversal of 126320135 is 531023621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126320135 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126320135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126320137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12632009 + ... + 12632018.

It is an arithmetic number, because the mean of its divisors is an integer number (37896042).

Almost surely, 2^126320135 is an apocalyptic number.

126320135 is a deficient number, since it is larger than the sum of its proper divisors (25264033).

126320135 is an equidigital number, since it uses as much as digits as its factorization.

126320135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25264032.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 126320135 is about 11239.2230603365. The cubic root of 126320135 is about 501.7540196351.

Adding to 126320135 its reverse (531023621), we get a palindrome (657343756).

The spelling of 126320135 in words is "one hundred twenty-six million, three hundred twenty thousand, one hundred thirty-five".