1169641 has 4 divisors (see below), whose sum is σ = 1275984. Its totient is φ = 1063300.

The previous prime is 1169633. The next prime is 1169647. The reversal of 1169641 is 1469611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1169641 - 2³ = 1169633 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1169647) 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 3 ways as a sum of consecutive naturals, for example, 53155 + ... + 53176.

It is an arithmetic number, because the mean of its divisors is an integer number (318996).

2^1169641 is an apocalyptic number.

1169641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1169641 is a deficient number, since it is larger than the sum of its proper divisors (106343).

1169641 is a wasteful number, since it uses less digits than its factorization.

1169641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106342.

The product of its digits is 1296, while the sum is 28.

The square root of 1169641 is about 1081.4994220988. The cubic root of 1169641 is about 105.3620457521.

The spelling of 1169641 in words is "one million, one hundred sixty-nine thousand, six hundred forty-one".