1340871120 has 120 divisors (see below), whose sum is σ = 4624889256. Its totient is φ = 347894784.

The previous prime is 1340871109. The next prime is 1340871143. The reversal of 1340871120 is 211780431.

It can be written as a sum of positive squares in 4 ways, for example, as 561121344 + 779749776 = 23688^2 + 27924^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1474 + ... + 51806.

Almost surely, 2^1340871120 is an apocalyptic number.

1340871120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340871120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2312444628).

1340871120 is an abundant number, since it is smaller than the sum of its proper divisors (3284018136).

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

1340871120 is a wasteful number, since it uses less digits than its factorization.

1340871120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50389 (or 50380 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1340871120 is about 36617.9070947535. The cubic root of 1340871120 is about 1102.7126219260.

The spelling of 1340871120 in words is "one billion, three hundred forty million, eight hundred seventy-one thousand, one hundred twenty".