1371880 has 16 divisors (see below), whose sum is σ = 3086820. Its totient is φ = 548736.

The previous prime is 1371863. The next prime is 1371893. The reversal of 1371880 is 881731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 58564 = 1146^2 + 242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17109 + ... + 17188.

2^1371880 is an apocalyptic number.

1371880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371880 is an abundant number, since it is smaller than the sum of its proper divisors (1714940).

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

1371880 is a wasteful number, since it uses less digits than its factorization.

1371880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34308 (or 34304 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1371880 is about 1171.2728119443. The cubic root of 1371880 is about 111.1148339493.

The spelling of 1371880 in words is "one million, three hundred seventy-one thousand, eight hundred eighty".