1681130 has 64 divisors (see below), whose sum is σ = 3732480. Its totient is φ = 537600.

The previous prime is 1681129. The next prime is 1681151. The reversal of 1681130 is 311861.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54215 + ... + 54245.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2^1681130 is an apocalyptic number.

1681130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1681130 is an abundant number, since it is smaller than the sum of its proper divisors (2051350).

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

1681130 is a wasteful number, since it uses less digits than its factorization.

1681130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1681130 is about 1296.5839733700. The cubic root of 1681130 is about 118.9050863825.

Adding to 1681130 its reverse (311861), we get a palindrome (1992991).

The spelling of 1681130 in words is "one million, six hundred eighty-one thousand, one hundred thirty".