1344120985 has 8 divisors (see below), whose sum is σ = 1617342336. Its totient is φ = 1072365360.

The previous prime is 1344120979. The next prime is 1344120991. The reversal of 1344120985 is 5890214431.

It is an interprime number because it is at equal distance from previous prime (1344120979) and next prime (1344120991).

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

It is not a de Polignac number, because 1344120985 - 2³ = 1344120977 is a prime.

It is a super-2 number, since 2×1344120985² = 3613322444634740450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364411 + ... + 368080.

It is an arithmetic number, because the mean of its divisors is an integer number (202167792).

Almost surely, 2^1344120985 is an apocalyptic number.

It is an amenable number.

1344120985 is a deficient number, since it is larger than the sum of its proper divisors (273221351).

1344120985 is an equidigital number, since it uses as much as digits as its factorization.

1344120985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732863.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1344120985 is about 36662.2555907298. The cubic root of 1344120985 is about 1103.6027834916.

The spelling of 1344120985 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, nine hundred eighty-five".