1140542 has 8 divisors (see below), whose sum is σ = 1842456. Its totient is φ = 526392.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140542 is 2450411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1140542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21908 + ... + 21959.

It is an arithmetic number, because the mean of its divisors is an integer number (230307).

2^1140542 is an apocalyptic number.

1140542 is a deficient number, since it is larger than the sum of its proper divisors (701914).

1140542 is a wasteful number, since it uses less digits than its factorization.

1140542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43882.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1140542 is about 1067.9616097969. The cubic root of 1140542 is about 104.4809455273.

Adding to 1140542 its reverse (2450411), we get a palindrome (3590953).

The spelling of 1140542 in words is "one million, one hundred forty thousand, five hundred forty-two".