1186042 has 36 divisors (see below), whose sum is σ = 2190510. Its totient is φ = 480480.

The previous prime is 1186033. The next prime is 1186049. The reversal of 1186042 is 2406811.

It can be written as a sum of positive squares in 3 ways, for example, as 609961 + 576081 = 781^2 + 759^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1186049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40884 + ... + 40912.

2^1186042 is an apocalyptic number.

1186042 is a deficient number, since it is larger than the sum of its proper divisors (1004468).

1186042 is a wasteful number, since it uses less digits than its factorization.

1186042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1186042 is about 1089.0555541385. The cubic root of 1186042 is about 105.8522326937.

The spelling of 1186042 in words is "one million, one hundred eighty-six thousand, forty-two".