1384120843 has 8 divisors (see below), whose sum is σ = 1601876480. Its totient is φ = 1171371240.

The previous prime is 1384120831. The next prime is 1384120853. The reversal of 1384120843 is 3480214831.

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 1384120843 - 2¹³ = 1384112651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384120799 and 1384120808.

It is not an unprimeable number, because it can be changed into a prime (1384120823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250913 + ... + 1252018.

It is an arithmetic number, because the mean of its divisors is an integer number (200234560).

Almost surely, 2^1384120843 is an apocalyptic number.

1384120843 is a deficient number, since it is larger than the sum of its proper divisors (217755637).

1384120843 is an equidigital number, since it uses as much as digits as its factorization.

1384120843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503017.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1384120843 is about 37203.7745800073. The cubic root of 1384120843 is about 1114.4433648370.

The spelling of 1384120843 in words is "one billion, three hundred eighty-four million, one hundred twenty thousand, eight hundred forty-three".