1980110 has 32 divisors (see below), whose sum is σ = 3981312. Its totient is φ = 702880.

The previous prime is 1980103. The next prime is 1980113. The reversal of 1980110 is 110891.

It is a super-2 number, since 2×1980110² = 7841671224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4979 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2^1980110 is an apocalyptic number.

1980110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980110 is an abundant number, since it is smaller than the sum of its proper divisors (2001202).

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

1980110 is a wasteful number, since it uses less digits than its factorization.

1980110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1980110 is about 1407.1638142022. The cubic root of 1980110 is about 125.5730489051.

The spelling of 1980110 in words is "one million, nine hundred eighty thousand, one hundred ten".