1163141 has 8 divisors (see below), whose sum is σ = 1344960. Its totient is φ = 985248.

The previous prime is 1163137. The next prime is 1163143. The reversal of 1163141 is 1413611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163141 - 2² = 1163137 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (168120).

2^1163141 is an apocalyptic number.

1163141 is the 623-rd octagonal number.

It is an amenable number.

1163141 is a deficient number, since it is larger than the sum of its proper divisors (181819).

1163141 is an equidigital number, since it uses as much as digits as its factorization.

1163141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963.

The product of its digits is 72, while the sum is 17.

The square root of 1163141 is about 1078.4901483092. The cubic root of 1163141 is about 105.1665082994.

Adding to 1163141 its reverse (1413611), we get a palindrome (2576752).

The spelling of 1163141 in words is "one million, one hundred sixty-three thousand, one hundred forty-one".