1241609 has 8 divisors (see below), whose sum is σ = 1331520. Its totient is φ = 1154736.

The previous prime is 1241587. The next prime is 1241627. The reversal of 1241609 is 9061421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1241609 - 2¹² = 1237513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1241659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (166440).

2^1241609 is an apocalyptic number.

It is an amenable number.

1241609 is a deficient number, since it is larger than the sum of its proper divisors (89911).

1241609 is a wasteful number, since it uses less digits than its factorization.

1241609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

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

The square root of 1241609 is about 1114.2751006821. The cubic root of 1241609 is about 107.4801549811.

The spelling of 1241609 in words is "one million, two hundred forty-one thousand, six hundred nine".