1191952 has 40 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 549120.

The previous prime is 1191947. The next prime is 1191973. The reversal of 1191952 is 2591911.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1191952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15049 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2^1191952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1191952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249920).

1191952 is an abundant number, since it is smaller than the sum of its proper divisors (1307888).

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

1191952 is a wasteful number, since it uses less digits than its factorization.

1191952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

The product of its digits is 810, while the sum is 28.

The square root of 1191952 is about 1091.7655425960. The cubic root of 1191952 is about 106.0277606180.

The spelling of 1191952 in words is "one million, one hundred ninety-one thousand, nine hundred fifty-two".