1102161 has 8 divisors (see below), whose sum is σ = 1556064. Its totient is φ = 691520.

The previous prime is 1102159. The next prime is 1102163. The reversal of 1102161 is 1612011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1102159) and next prime (1102163).

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 1102161 - 2¹ = 1102159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102163) 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, 10755 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (194508).

2^1102161 is an apocalyptic number.

It is an amenable number.

1102161 is a deficient number, since it is larger than the sum of its proper divisors (453903).

1102161 is a wasteful number, since it uses less digits than its factorization.

1102161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21631.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1102161 is about 1049.8385590175. The cubic root of 1102161 is about 103.2955660339.

Adding to 1102161 its reverse (1612011), we get a palindrome (2714172).

The spelling of 1102161 in words is "one million, one hundred two thousand, one hundred sixty-one".