1191201 has 8 divisors (see below), whose sum is σ = 1732704. Its totient is φ = 721920.

The previous prime is 1191199. The next prime is 1191209. The reversal of 1191201 is 1021911.

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

It is not a de Polignac number, because 1191201 - 2¹ = 1191199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1191209) 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, 18016 + ... + 18081.

It is an arithmetic number, because the mean of its divisors is an integer number (216588).

2^1191201 is an apocalyptic number.

1191201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1191201 is a deficient number, since it is larger than the sum of its proper divisors (541503).

1191201 is a wasteful number, since it uses less digits than its factorization.

1191201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36111.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1191201 is about 1091.4215500896. The cubic root of 1191201 is about 106.0054880272.

The spelling of 1191201 in words is "one million, one hundred ninety-one thousand, two hundred one".