1194987 has 8 divisors (see below), whose sum is σ = 1599040. Its totient is φ = 793800.

The previous prime is 1194979. The next prime is 1194997. The reversal of 1194987 is 7894911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1194987 - 2³ = 1194979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (199880).

2^1194987 is an apocalyptic number.

1194987 is a deficient number, since it is larger than the sum of its proper divisors (404053).

1194987 is a wasteful number, since it uses less digits than its factorization.

1194987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its digits is 18144, while the sum is 39.

The square root of 1194987 is about 1093.1546093760. The cubic root of 1194987 is about 106.1176751775.

The spelling of 1194987 in words is "one million, one hundred ninety-four thousand, nine hundred eighty-seven".