1191432 has 32 divisors (see below), whose sum is σ = 3250080. Its totient is φ = 360960.

The previous prime is 1191431. The next prime is 1191439. The reversal of 1191432 is 2341911.

It is a junction number, because it is equal to n+sod(n) for n = 1191399 and 1191408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191431) 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 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (101565).

2^1191432 is an apocalyptic number.

1191432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1191432 is an abundant number, since it is smaller than the sum of its proper divisors (2058648).

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

1191432 is a wasteful number, since it uses less digits than its factorization.

1191432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533 (or 4529 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1191432 is about 1091.5273702478. The cubic root of 1191432 is about 106.0123398474.

It can be divided in two parts, 119 and 1432, that added together give a palindrome (1551).

The spelling of 1191432 in words is "one million, one hundred ninety-one thousand, four hundred thirty-two".