1101860 has 24 divisors (see below), whose sum is σ = 2378040. Its totient is φ = 428544.

The previous prime is 1101851. The next prime is 1101871. The reversal of 1101860 is 681011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 937024 = 406^2 + 968^2 .

It is a congruent 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, 5 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (99085).

2^1101860 is an apocalyptic number.

1101860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189020).

1101860 is an abundant number, since it is smaller than the sum of its proper divisors (1276180).

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

1101860 is a wasteful number, since it uses less digits than its factorization.

1101860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1101860 is about 1049.6951938539. The cubic root of 1101860 is about 103.2861618434.

Adding to 1101860 its reverse (681011), we get a palindrome (1782871).

The spelling of 1101860 in words is "one million, one hundred one thousand, eight hundred sixty".