1189632 has 36 divisors (see below), whose sum is σ = 3168200. Its totient is φ = 396288.

The previous prime is 1189631. The next prime is 1189633. The reversal of 1189632 is 2369811.

It is an interprime number because it is at equal distance from previous prime (1189631) and next prime (1189633).

It is a self number, because there is not a number n which added to its sum of digits gives 1189632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7 + ... + 1542.

2^1189632 is an apocalyptic number.

1189632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1189632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584100).

1189632 is an abundant number, since it is smaller than the sum of its proper divisors (1978568).

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

1189632 is an equidigital number, since it uses as much as digits as its factorization.

1189632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1554 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1189632 is about 1090.7025258979. The cubic root of 1189632 is about 105.9589255835.

The spelling of 1189632 in words is "one million, one hundred eighty-nine thousand, six hundred thirty-two".