1121608 has 32 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 516672.

The previous prime is 1121599. The next prime is 1121621. The reversal of 1121608 is 8061211.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 7066 + ... + 7222.

It is an arithmetic number, because the mean of its divisors is an integer number (71100).

2^1121608 is an apocalyptic number.

It is an amenable number.

1121608 is an abundant number, since it is smaller than the sum of its proper divisors (1153592).

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

1121608 is a wasteful number, since it uses less digits than its factorization.

1121608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1121608 is about 1059.0599605310. The cubic root of 1121608 is about 103.8995578576.

Adding to 1121608 its reverse (8061211), we get a palindrome (9182819).

The spelling of 1121608 in words is "one million, one hundred twenty-one thousand, six hundred eight".