1156966 has 4 divisors (see below), whose sum is σ = 1735452. Its totient is φ = 578482.

The previous prime is 1156963. The next prime is 1156997. The reversal of 1156966 is 6696511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6696511 = 281 ⋅23831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156963) 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 as a sum of consecutive naturals, namely, 289240 + ... + 289243.

It is an arithmetic number, because the mean of its divisors is an integer number (433863).

2^1156966 is an apocalyptic number.

1156966 is a deficient number, since it is larger than the sum of its proper divisors (578486).

1156966 is an equidigital number, since it uses as much as digits as its factorization.

1156966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578485.

The product of its digits is 9720, while the sum is 34.

The square root of 1156966 is about 1075.6235400920. The cubic root of 1156966 is about 104.9800718038.

It can be divided in two parts, 11 and 56966, that multiplied together give a palindrome (626626).

The spelling of 1156966 in words is "one million, one hundred fifty-six thousand, nine hundred sixty-six".