1162409 has 8 divisors (see below), whose sum is σ = 1244808. Its totient is φ = 1081600.

The previous prime is 1162373. The next prime is 1162417. The reversal of 1162409 is 9042611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1000000 + 162409 = 1000^2 + 403^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (155601).

2^1162409 is an apocalyptic number.

It is an amenable number.

1162409 is a deficient number, since it is larger than the sum of its proper divisors (82399).

1162409 is a wasteful number, since it uses less digits than its factorization.

1162409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1162409 is about 1078.1507315770. The cubic root of 1162409 is about 105.1444421760.

The spelling of 1162409 in words is "one million, one hundred sixty-two thousand, four hundred nine".