1384120312 has 32 divisors (see below), whose sum is σ = 2774126880. Its totient is φ = 645821440.

The previous prime is 1384120307. The next prime is 1384120313. The reversal of 1384120312 is 2130214831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384120313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84193 + ... + 99280.

It is an arithmetic number, because the mean of its divisors is an integer number (86691465).

Almost surely, 2^1384120312 is an apocalyptic number.

It is an amenable number.

1384120312 is an abundant number, since it is smaller than the sum of its proper divisors (1390006568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384120312 is a wasteful number, since it uses less digits than its factorization.

1384120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183543 (or 183539 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1384120312 is about 37203.7674436340. The cubic root of 1384120312 is about 1114.4432223231.

The spelling of 1384120312 in words is "one billion, three hundred eighty-four million, one hundred twenty thousand, three hundred twelve".