1187488 has 24 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 579264.

The previous prime is 1187479. The next prime is 1187489. The reversal of 1187488 is 8847811.

1187488 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187489) 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, 945 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1187488 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 1187488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197504).

1187488 is an abundant number, since it is smaller than the sum of its proper divisors (1207520).

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

1187488 is an equidigital number, since it uses as much as digits as its factorization.

1187488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 908 counting only the distinct ones).

The product of its digits is 14336, while the sum is 37.

The square root of 1187488 is about 1089.7192298936. The cubic root of 1187488 is about 105.8952329042.

It can be divided in two parts, 1 and 187488, that added together give a square (187489 = 433²).

The spelling of 1187488 in words is "one million, one hundred eighty-seven thousand, four hundred eighty-eight".