1156942 has 8 divisors (see below), whose sum is σ = 1740096. Its totient is φ = 576912.

The previous prime is 1156927. The next prime is 1156949. The reversal of 1156942 is 2496511.

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 1156942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156949) 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 3 ways as a sum of consecutive naturals, for example, 738 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (217512).

2^1156942 is an apocalyptic number.

1156942 is a deficient number, since it is larger than the sum of its proper divisors (583154).

1156942 is an equidigital number, since it uses as much as digits as its factorization.

1156942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its digits is 2160, while the sum is 28.

The square root of 1156942 is about 1075.6123837145. The cubic root of 1156942 is about 104.9793458997.

It can be divided in two parts, 11569 and 42, that added together give a palindrome (11611).

The spelling of 1156942 in words is "one million, one hundred fifty-six thousand, nine hundred forty-two".