1102201 has 2 divisors, whose sum is σ = 1102202. Its totient is φ = 1102200.

The previous prime is 1102187. The next prime is 1102237. The reversal of 1102201 is 1022011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 30976 = 1035^2 + 176^2 .

It is an emirp because it is prime and its reverse (1022011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102201 - 2⁵ = 1102169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551100 + 551101.

It is an arithmetic number, because the mean of its divisors is an integer number (551101).

2^1102201 is an apocalyptic number.

It is an amenable number.

1102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102201 is an equidigital number, since it uses as much as digits as its factorization.

1102201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1102201 is about 1049.8576093928. The cubic root of 1102201 is about 103.2968156314.

Adding to 1102201 its reverse (1022011), we get a palindrome (2124212).

The spelling of 1102201 in words is "one million, one hundred two thousand, two hundred one".