1142175 has 24 divisors (see below), whose sum is σ = 1920016. Its totient is φ = 599040.

The previous prime is 1142171. The next prime is 1142191. The reversal of 1142175 is 5712411.

It is a happy number.

It is not a de Polignac number, because 1142175 - 2² = 1142171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7197 + ... + 7353.

2^1142175 is an apocalyptic number.

1142175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142175 is a deficient number, since it is larger than the sum of its proper divisors (777841).

1142175 is a wasteful number, since it uses less digits than its factorization.

1142175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 262 counting only the distinct ones).

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

The square root of 1142175 is about 1068.7258769207. The cubic root of 1142175 is about 104.5307861645.

Adding to 1142175 its reverse (5712411), we get a palindrome (6854586).

The spelling of 1142175 in words is "one million, one hundred forty-two thousand, one hundred seventy-five".