1344891120 has 40 divisors (see below), whose sum is σ = 4169163216. Its totient is φ = 358637568.

The previous prime is 1344891089. The next prime is 1344891127. The reversal of 1344891120 is 211984431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344891127) 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, 2801617 + ... + 2802096.

Almost surely, 2^1344891120 is an apocalyptic number.

1344891120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344891120 is an abundant number, since it is smaller than the sum of its proper divisors (2824272096).

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

1344891120 is a wasteful number, since it uses less digits than its factorization.

1344891120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603729 (or 5603723 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1344891120 is about 36672.7571911358. The cubic root of 1344891120 is about 1103.8135187020.

The spelling of 1344891120 in words is "one billion, three hundred forty-four million, eight hundred ninety-one thousand, one hundred twenty".