1121504 has 24 divisors (see below), whose sum is σ = 2236248. Its totient is φ = 553600.

The previous prime is 1121453. The next prime is 1121509. The reversal of 1121504 is 4051211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (93177).

2^1121504 is an apocalyptic number.

It is an amenable number.

1121504 is a deficient number, since it is larger than the sum of its proper divisors (1114744).

1121504 is a wasteful number, since it uses less digits than its factorization.

1121504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1121504 is about 1059.0108592456. The cubic root of 1121504 is about 103.8963464302.

Adding to 1121504 its reverse (4051211), we get a palindrome (5172715).

The spelling of 1121504 in words is "one million, one hundred twenty-one thousand, five hundred four".