1189402 has 8 divisors (see below), whose sum is σ = 1832436. Its totient is φ = 578592.

The previous prime is 1189387. The next prime is 1189403. The reversal of 1189402 is 2049811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1185921 + 3481 = 1089^2 + 59^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1189403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7963 + ... + 8110.

2^1189402 is an apocalyptic number.

1189402 is a deficient number, since it is larger than the sum of its proper divisors (643034).

1189402 is a wasteful number, since it uses less digits than its factorization.

1189402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16112.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1189402 is about 1090.5970841700. The cubic root of 1189402 is about 105.9520965463.

The spelling of 1189402 in words is "one million, one hundred eighty-nine thousand, four hundred two".