1340277120 has 384 divisors, whose sum is σ = 5698405440. Its totient is φ = 282673152.

The previous prime is 1340277109. The next prime is 1340277131. The reversal of 1340277120 is 217720431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340277109) and next prime (1340277131).

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522882 + ... + 525438.

Almost surely, 2^1340277120 is an apocalyptic number.

1340277120 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 1340277120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849202720).

1340277120 is an abundant number, since it is smaller than the sum of its proper divisors (4358128320).

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

1340277120 is a wasteful number, since it uses less digits than its factorization.

1340277120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1340277120 is about 36609.7954105182. The cubic root of 1340277120 is about 1102.5497655972.

Adding to 1340277120 its reverse (217720431), we get a palindrome (1557997551).

The spelling of 1340277120 in words is "one billion, three hundred forty million, two hundred seventy-seven thousand, one hundred twenty".