1201169 has 4 divisors (see below), whose sum is σ = 1271844. Its totient is φ = 1130496.

The previous prime is 1201163. The next prime is 1201171. The reversal of 1201169 is 9611021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1050625 + 150544 = 1025^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201169 - 2⁴ = 1201153 is a prime.

It is a super-2 number, since 2×1201169² = 2885613933122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201169.

It is not an unprimeable number, because it can be changed into a prime (1201163) 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 3 ways as a sum of consecutive naturals, for example, 35312 + ... + 35345.

It is an arithmetic number, because the mean of its divisors is an integer number (317961).

2^1201169 is an apocalyptic number.

It is an amenable number.

1201169 is a deficient number, since it is larger than the sum of its proper divisors (70675).

1201169 is an equidigital number, since it uses as much as digits as its factorization.

1201169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70674.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1201169 is about 1095.9785581844. The cubic root of 1201169 is about 106.3003526044.

The spelling of 1201169 in words is "one million, two hundred one thousand, one hundred sixty-nine".