1320015122 has 8 divisors (see below), whose sum is σ = 1993135872. Its totient is φ = 655636500.

The previous prime is 1320015121. The next prime is 1320015181. The reversal of 1320015122 is 2215100231.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1320015122.

It is not an unprimeable number, because it can be changed into a prime (1320015121) 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, 2185154 + ... + 2185757.

It is an arithmetic number, because the mean of its divisors is an integer number (249141984).

Almost surely, 2^1320015122 is an apocalyptic number.

1320015122 is a deficient number, since it is larger than the sum of its proper divisors (673120750).

1320015122 is a wasteful number, since it uses less digits than its factorization.

1320015122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371064.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1320015122 is about 36332.0123582496. The cubic root of 1320015122 is about 1096.9654994223.

Adding to 1320015122 its reverse (2215100231), we get a palindrome (3535115353).

The spelling of 1320015122 in words is "one billion, three hundred twenty million, fifteen thousand, one hundred twenty-two".