1142325 has 18 divisors (see below), whose sum is σ = 2046434. Its totient is φ = 609120.

The previous prime is 1142321. The next prime is 1142333. The reversal of 1142325 is 5232411.

It can be written as a sum of positive squares in 3 ways, for example, as 321489 + 820836 = 567^2 + 906^2 .

It is not a de Polignac number, because 1142325 - 2² = 1142321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142298 and 1142307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2314 + ... + 2763.

2^1142325 is an apocalyptic number.

1142325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142325 is a deficient number, since it is larger than the sum of its proper divisors (904109).

1142325 is a wasteful number, since it uses less digits than its factorization.

1142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5085 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1142325 is about 1068.7960516394. The cubic root of 1142325 is about 104.5353619174.

Adding to 1142325 its reverse (5232411), we get a palindrome (6374736).

The spelling of 1142325 in words is "one million, one hundred forty-two thousand, three hundred twenty-five".