1560881 has 8 divisors (see below), whose sum is σ = 1841664. Its totient is φ = 1294560.

The previous prime is 1560877. The next prime is 1560883. The reversal of 1560881 is 1880651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1560881 - 2² = 1560877 is a prime.

It is a super-2 number, since 2×1560881² = 4872698992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1560883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (230208).

2^1560881 is an apocalyptic number.

It is an amenable number.

1560881 is a deficient number, since it is larger than the sum of its proper divisors (280783).

1560881 is an equidigital number, since it uses as much as digits as its factorization.

1560881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1560881 is about 1249.3522321587. The cubic root of 1560881 is about 115.9996284174. Note that the first 3 decimals are identical.

The spelling of 1560881 in words is "one million, five hundred sixty thousand, eight hundred eighty-one".