1187148 has 12 divisors (see below), whose sum is σ = 2770040. Its totient is φ = 395712.

The previous prime is 1187141. The next prime is 1187159. The reversal of 1187148 is 8417811.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1187141) 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, 49453 + ... + 49476.

2^1187148 is an apocalyptic number.

It is an amenable number.

1187148 is an abundant number, since it is smaller than the sum of its proper divisors (1582892).

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

1187148 is a wasteful number, since it uses less digits than its factorization.

1187148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98936 (or 98934 counting only the distinct ones).

The product of its digits is 1792, while the sum is 30.

The square root of 1187148 is about 1089.5632152381. The cubic root of 1187148 is about 105.8851253450.

The spelling of 1187148 in words is "one million, one hundred eighty-seven thousand, one hundred forty-eight".