1188434 has 16 divisors (see below), whose sum is σ = 1966272. Its totient is φ = 535248.

The previous prime is 1188413. The next prime is 1188457. The reversal of 1188434 is 4348811.

It is a junction number, because it is equal to n+sod(n) for n = 1188397 and 1188406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (122892).

2^1188434 is an apocalyptic number.

1188434 is a deficient number, since it is larger than the sum of its proper divisors (777838).

1188434 is a wasteful number, since it uses less digits than its factorization.

1188434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 3072, while the sum is 29.

The square root of 1188434 is about 1090.1532002430. The cubic root of 1188434 is about 105.9233455534.

The spelling of 1188434 in words is "one million, one hundred eighty-eight thousand, four hundred thirty-four".