1121475 has 24 divisors (see below), whose sum is σ = 1954240. Its totient is φ = 565920.

The previous prime is 1121453. The next prime is 1121509. The reversal of 1121475 is 5741211.

It is a happy number.

It is not a de Polignac number, because 1121475 - 2⁵ = 1121443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1032 + ... + 1818.

2^1121475 is an apocalyptic number.

1121475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121475 is a deficient number, since it is larger than the sum of its proper divisors (832765).

1121475 is a wasteful number, since it uses less digits than its factorization.

1121475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 814 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1121475 is about 1058.9971671350. The cubic root of 1121475 is about 103.8954509006.

Adding to 1121475 its reverse (5741211), we get a palindrome (6862686).

It can be divided in two parts, 1121 and 475, that added together give a triangular number (1596 = T₅₆).

The spelling of 1121475 in words is "one million, one hundred twenty-one thousand, four hundred seventy-five".