1880118 has 32 divisors (see below), whose sum is σ = 4295520. Its totient is φ = 609120.

The previous prime is 1880117. The next prime is 1880129. The reversal of 1880118 is 8110881.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1880091 and 1880100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (134235).

2^1880118 is an apocalyptic number.

1880118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147760).

1880118 is an abundant number, since it is smaller than the sum of its proper divisors (2415402).

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

1880118 is a wasteful number, since it uses less digits than its factorization.

1880118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The square root of 1880118 is about 1371.1739495775. The cubic root of 1880118 is about 123.4226979954.

Adding to 1880118 its reverse (8110881), we get a palindrome (9990999).

The spelling of 1880118 in words is "one million, eight hundred eighty thousand, one hundred eighteen".