1179145 has 12 divisors (see below), whose sum is σ = 1556100. Its totient is φ = 857120.

The previous prime is 1179127. The next prime is 1179149. The reversal of 1179145 is 5419711.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 480249 = 836^2 + 693^2 .

It is not a de Polignac number, because 1179145 - 2⁹ = 1178633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1179149) 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 in 11 ways as a sum of consecutive naturals, for example, 370 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (129675).

2^1179145 is an apocalyptic number.

It is an amenable number.

1179145 is a deficient number, since it is larger than the sum of its proper divisors (376955).

1179145 is a wasteful number, since it uses less digits than its factorization.

1179145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1965 counting only the distinct ones).

The product of its digits is 1260, while the sum is 28.

The square root of 1179145 is about 1085.8844321566. The cubic root of 1179145 is about 105.6466518409.

The spelling of 1179145 in words is "one million, one hundred seventy-nine thousand, one hundred forty-five".