1111608 has 24 divisors (see below), whose sum is σ = 3010800. Its totient is φ = 370512.

The previous prime is 1111577. The next prime is 1111637. The reversal of 1111608 is 8061111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7648 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (125450).

2^1111608 is an apocalyptic number.

1111608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1111608 is an abundant number, since it is smaller than the sum of its proper divisors (1899192).

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

1111608 is a wasteful number, since it uses less digits than its factorization.

1111608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15451 (or 15444 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1111608 is about 1054.3282221396. The cubic root of 1111608 is about 103.5898540573.

Adding to 1111608 its reverse (8061111), we get a palindrome (9172719).

The spelling of 1111608 in words is "one million, one hundred eleven thousand, six hundred eight".