1140342 has 32 divisors (see below), whose sum is σ = 2745600. Its totient is φ = 308448.

The previous prime is 1140341. The next prime is 1140353. The reversal of 1140342 is 2430411.

It is a super-3 number, since 3×1140342³ = 4448633368970645064, which contains 333 as substring.

1140342 is a modest number, since divided by 342 gives 114 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140341) 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 15 ways as a sum of consecutive naturals, for example, 84 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (85800).

2^1140342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372800).

1140342 is an abundant number, since it is smaller than the sum of its proper divisors (1605258).

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

1140342 is a wasteful number, since it uses less digits than its factorization.

1140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1140342 is about 1067.8679693670. The cubic root of 1140342 is about 104.4748380770.

Adding to 1140342 its reverse (2430411), we get a palindrome (3570753).

The spelling of 1140342 in words is "one million, one hundred forty thousand, three hundred forty-two".