1201172 has 12 divisors (see below), whose sum is σ = 2402400. Its totient is φ = 514776.

The previous prime is 1201171. The next prime is 1201183. The reversal of 1201172 is 2711021.

1201172 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21422 + ... + 21477.

It is an arithmetic number, because the mean of its divisors is an integer number (200200).

2^1201172 is an apocalyptic number.

It is an amenable number.

1201172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201172 is a wasteful number, since it uses less digits than its factorization.

1201172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42910 (or 42908 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1201172 is about 1095.9799268235. The cubic root of 1201172 is about 106.3004411017.

Adding to 1201172 its reverse (2711021), we get a palindrome (3912193).

The spelling of 1201172 in words is "one million, two hundred one thousand, one hundred seventy-two".