1199101 has 4 divisors (see below), whose sum is σ = 1213632. Its totient is φ = 1184572.

The previous prime is 1199089. The next prime is 1199117. The reversal of 1199101 is 1019911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1019911 = 227 ⋅4493.

It is a cyclic number.

It is not a de Polignac number, because 1199101 - 2⁵ = 1199069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7141 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (303408).

2^1199101 is an apocalyptic number.

It is an amenable number.

1199101 is a deficient number, since it is larger than the sum of its proper divisors (14531).

1199101 is an equidigital number, since it uses as much as digits as its factorization.

1199101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1199101 is about 1095.0347026465. The cubic root of 1199101 is about 106.2393133427.

It can be divided in two parts, 119910 and 1, that added together give a palindrome (119911).

The spelling of 1199101 in words is "one million, one hundred ninety-nine thousand, one hundred one".