1180849 has 2 divisors, whose sum is σ = 1180850. Its totient is φ = 1180848.

The previous prime is 1180847. The next prime is 1180853. The reversal of 1180849 is 9480811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 889249 + 291600 = 943^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180849 - 2¹ = 1180847 is a prime.

Together with 1180847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1180849.

It is not a weakly prime, because it can be changed into another prime (1180847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590424 + 590425.

It is an arithmetic number, because the mean of its divisors is an integer number (590425).

2^1180849 is an apocalyptic number.

It is an amenable number.

1180849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180849 is an equidigital number, since it uses as much as digits as its factorization.

1180849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1180849 is about 1086.6687627792. The cubic root of 1180849 is about 105.6975178630.

It can be divided in two parts, 1180 and 849, that multiplied together give a triangular number (1001820 = T₁₄₁₅).

The spelling of 1180849 in words is "one million, one hundred eighty thousand, eight hundred forty-nine".