1189101 has 8 divisors (see below), whose sum is σ = 1598464. Its totient is φ = 786240.

The previous prime is 1189093. The next prime is 1189109. The reversal of 1189101 is 1019811.

It is an interprime number because it is at equal distance from previous prime (1189093) and next prime (1189109).

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

It is not a de Polignac number, because 1189101 - 2³ = 1189093 is a prime.

It is a super-2 number, since 2×1189101² = 2827922376402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189109) 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, 1180 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (199808).

2^1189101 is an apocalyptic number.

It is an amenable number.

1189101 is a deficient number, since it is larger than the sum of its proper divisors (409363).

1189101 is a wasteful number, since it uses less digits than its factorization.

1189101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 1189101 is about 1090.4590776366. The cubic root of 1189101 is about 105.9431580849.

The spelling of 1189101 in words is "one million, one hundred eighty-nine thousand, one hundred one".