1156963 has 2 divisors, whose sum is σ = 1156964. Its totient is φ = 1156962.

The previous prime is 1156949. The next prime is 1156997. The reversal of 1156963 is 3696511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1156963 - 2⁹ = 1156451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151963) 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, 578481 + 578482.

It is an arithmetic number, because the mean of its divisors is an integer number (578482).

2^1156963 is an apocalyptic number.

1156963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156963 is an equidigital number, since it uses as much as digits as its factorization.

1156963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 1156963 is about 1075.6221455511. The cubic root of 1156963 is about 104.9799810663.

It can be divided in two parts, 115 and 6963, that multiplied together give a triangular number (800745 = T₁₂₆₅).

The spelling of 1156963 in words is "one million, one hundred fifty-six thousand, nine hundred sixty-three".