1187632 has 20 divisors (see below), whose sum is σ = 2318800. Its totient is φ = 589248.

The previous prime is 1187629. The next prime is 1187639. The reversal of 1187632 is 2367811.

It is a self number, because there is not a number n which added to its sum of digits gives 1187632.

It is not an unprimeable number, because it can be changed into a prime (1187639) 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, 2998 + ... + 3370.

It is an arithmetic number, because the mean of its divisors is an integer number (115940).

2^1187632 is an apocalyptic number.

It is an amenable number.

1187632 is a deficient number, since it is larger than the sum of its proper divisors (1131168).

1187632 is a wasteful number, since it uses less digits than its factorization.

1187632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1187632 is about 1089.7852999559. The cubic root of 1187632 is about 105.8995131713.

It can be divided in two parts, 118 and 7632, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 1187632 in words is "one million, one hundred eighty-seven thousand, six hundred thirty-two".