1387080 has 48 divisors (see below), whose sum is σ = 4509180. Its totient is φ = 369792.

The previous prime is 1387069. The next prime is 1387109. The reversal of 1387080 is 807831.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 101124 = 1134^2 + 318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1567 + ... + 2286.

2^1387080 is an apocalyptic number.

1387080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1387080 is an abundant number, since it is smaller than the sum of its proper divisors (3122100).

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

1387080 is a wasteful number, since it uses less digits than its factorization.

1387080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3863 counting only the distinct ones).

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

The square root of 1387080 is about 1177.7436053743. The cubic root of 1387080 is about 111.5237001106.

The spelling of 1387080 in words is "one million, three hundred eighty-seven thousand, eighty".