1102861 has 2 divisors, whose sum is σ = 1102862. Its totient is φ = 1102860.

The previous prime is 1102853. The next prime is 1102879. The reversal of 1102861 is 1682011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 361 = 1050^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102861 - 2³ = 1102853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551430 + 551431.

It is an arithmetic number, because the mean of its divisors is an integer number (551431).

2^1102861 is an apocalyptic number.

It is an amenable number.

1102861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102861 is an equidigital number, since it uses as much as digits as its factorization.

1102861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1102861 is about 1050.1718906922. The cubic root of 1102861 is about 103.3174296255.

Adding to 1102861 its reverse (1682011), we get a palindrome (2784872).

The spelling of 1102861 in words is "one million, one hundred two thousand, eight hundred sixty-one".