1320124135 has 16 divisors (see below), whose sum is σ = 1729856160. Its totient is φ = 959149440.

The previous prime is 1320124133. The next prime is 1320124151. The reversal of 1320124135 is 5314210231.

It is a happy number.

It is not a de Polignac number, because 1320124135 - 2¹ = 1320124133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320124133) 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, 47569 + ... + 70021.

It is an arithmetic number, because the mean of its divisors is an integer number (108116010).

Almost surely, 2^1320124135 is an apocalyptic number.

1320124135 is a deficient number, since it is larger than the sum of its proper divisors (409732025).

1320124135 is a wasteful number, since it uses less digits than its factorization.

1320124135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1320124135 is about 36333.5125607200. The cubic root of 1320124135 is about 1096.9956960986.

Adding to 1320124135 its reverse (5314210231), we get a palindrome (6634334366).

The spelling of 1320124135 in words is "one billion, three hundred twenty million, one hundred twenty-four thousand, one hundred thirty-five".