1189942 has 8 divisors (see below), whose sum is σ = 1922256. Its totient is φ = 549192.

The previous prime is 1189933. The next prime is 1189967. The reversal of 1189942 is 2499811.

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

It is a junction number, because it is equal to n+sod(n) for n = 1189898 and 1189907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22858 + ... + 22909.

It is an arithmetic number, because the mean of its divisors is an integer number (240282).

2^1189942 is an apocalyptic number.

1189942 is a deficient number, since it is larger than the sum of its proper divisors (732314).

1189942 is a wasteful number, since it uses less digits than its factorization.

1189942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45782.

The product of its digits is 5184, while the sum is 34.

The square root of 1189942 is about 1090.8446268832. The cubic root of 1189942 is about 105.9681285455.

The spelling of 1189942 in words is "one million, one hundred eighty-nine thousand, nine hundred forty-two".