1180445 has 16 divisors (see below), whose sum is σ = 1676160. Its totient is φ = 780864.

The previous prime is 1180427. The next prime is 1180447. The reversal of 1180445 is 5440811.

It is not a de Polignac number, because 1180445 - 2⁶ = 1180381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1180445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (104760).

2^1180445 is an apocalyptic number.

It is an amenable number.

1180445 is a deficient number, since it is larger than the sum of its proper divisors (495715).

1180445 is a wasteful number, since it uses less digits than its factorization.

1180445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1180445 is about 1086.4828576650. The cubic root of 1180445 is about 105.6854625062.

The spelling of 1180445 in words is "one million, one hundred eighty thousand, four hundred forty-five".