1604126 has 8 divisors (see below), whose sum is σ = 2483904. Its totient is φ = 776160.

The previous prime is 1604123. The next prime is 1604129. The reversal of 1604126 is 6214061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1604123) and next prime (1604129).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1604098 and 1604107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604123) 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 3 ways as a sum of consecutive naturals, for example, 12875 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (310488).

2^1604126 is an apocalyptic number.

1604126 is a deficient number, since it is larger than the sum of its proper divisors (879778).

1604126 is a wasteful number, since it uses less digits than its factorization.

1604126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25906.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1604126 is about 1266.5409586745. The cubic root of 1604126 is about 117.0611607083.

Adding to 1604126 its reverse (6214061), we get a palindrome (7818187).

The spelling of 1604126 in words is "one million, six hundred four thousand, one hundred twenty-six".