1361480 has 32 divisors (see below), whose sum is σ = 3102840. Its totient is φ = 537600.

The previous prime is 1361471. The next prime is 1361491. The reversal of 1361480 is 841631.

It can be written as a sum of positive squares in 4 ways, for example, as 1249924 + 111556 = 1118^2 + 334^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3872 + ... + 4208.

2^1361480 is an apocalyptic number.

1361480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361480 is the 674-th octagonal number.

It is an amenable number.

1361480 is an abundant number, since it is smaller than the sum of its proper divisors (1741360).

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

1361480 is a wasteful number, since it uses less digits than its factorization.

1361480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1361480 is about 1166.8247511945. The cubic root of 1361480 is about 110.8333402428.

The spelling of 1361480 in words is "one million, three hundred sixty-one thousand, four hundred eighty".