1180361 has 24 divisors (see below), whose sum is σ = 1580040. Its totient is φ = 870912.

The previous prime is 1180351. The next prime is 1180369. The reversal of 1180361 is 1630811.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 960400 = 469^2 + 980^2 .

It is not a de Polignac number, because 1180361 - 2¹⁰ = 1179337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1180369) 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 in 23 ways as a sum of consecutive naturals, for example, 10775 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (65835).

2^1180361 is an apocalyptic number.

It is an amenable number.

1180361 is a deficient number, since it is larger than the sum of its proper divisors (399679).

1180361 is a wasteful number, since it uses less digits than its factorization.

1180361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1180361 is about 1086.4442001318. Note that the first 3 decimals coincide. The cubic root of 1180361 is about 105.6829556015.

The spelling of 1180361 in words is "one million, one hundred eighty thousand, three hundred sixty-one".