1187224 has 8 divisors (see below), whose sum is σ = 2226060. Its totient is φ = 593608.

The previous prime is 1187201. The next prime is 1187227. The reversal of 1187224 is 4227811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74194 + ... + 74209.

2^1187224 is an apocalyptic number.

It is an amenable number.

1187224 is a deficient number, since it is larger than the sum of its proper divisors (1038836).

1187224 is a wasteful number, since it uses less digits than its factorization.

1187224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148409 (or 148405 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 1187224 is about 1089.5980910409. The cubic root of 1187224 is about 105.8873848492.

The spelling of 1187224 in words is "one million, one hundred eighty-seven thousand, two hundred twenty-four".