1188562 has 4 divisors (see below), whose sum is σ = 1782846. Its totient is φ = 594280.

The previous prime is 1188559. The next prime is 1188581. The reversal of 1188562 is 2658811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2658811 = 211 ⋅12601.

It can be written as a sum of positive squares in only one way, i.e., 1121481 + 67081 = 1059^2 + 259^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297139 + ... + 297142.

2^1188562 is an apocalyptic number.

1188562 is a deficient number, since it is larger than the sum of its proper divisors (594284).

1188562 is an equidigital number, since it uses as much as digits as its factorization.

1188562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594283.

The product of its digits is 3840, while the sum is 31.

The square root of 1188562 is about 1090.2119060073. The cubic root of 1188562 is about 105.9271482331.

The spelling of 1188562 in words is "one million, one hundred eighty-eight thousand, five hundred sixty-two".