1181042 has 8 divisors (see below), whose sum is σ = 1782000. Its totient is φ = 587044.

The previous prime is 1181039. The next prime is 1181051. The reversal of 1181042 is 2401811.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1181042.

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, 1292 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^1181042 is an apocalyptic number.

1181042 is a deficient number, since it is larger than the sum of its proper divisors (600958).

1181042 is a wasteful number, since it uses less digits than its factorization.

1181042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1181042 is about 1086.7575626606. The cubic root of 1181042 is about 105.7032760109.

Adding to 1181042 its reverse (2401811), we get a palindrome (3582853).

The spelling of 1181042 in words is "one million, one hundred eighty-one thousand, forty-two".