1187368 has 48 divisors (see below), whose sum is σ = 2800980. Its totient is φ = 467712.

The previous prime is 1187363. The next prime is 1187369. The reversal of 1187368 is 8637811.

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 142884 = 1022^2 + 378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4980 + ... + 5212.

2^1187368 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 1187368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400490).

1187368 is an abundant number, since it is smaller than the sum of its proper divisors (1613612).

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

1187368 is a wasteful number, since it uses less digits than its factorization.

1187368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 255 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 1187368 is about 1089.6641684482. The cubic root of 1187368 is about 105.8916657507.

The spelling of 1187368 in words is "one million, one hundred eighty-seven thousand, three hundred sixty-eight".