1556041 has 4 divisors (see below), whose sum is σ = 1592272. Its totient is φ = 1519812.

The previous prime is 1556039. The next prime is 1556059. The reversal of 1556041 is 1406551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1556041 - 2¹ = 1556039 is a prime.

It is a Duffinian number.

1556041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1556011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18051 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (398068).

2^1556041 is an apocalyptic number.

It is an amenable number.

1556041 is a deficient number, since it is larger than the sum of its proper divisors (36231).

1556041 is an equidigital number, since it uses as much as digits as its factorization.

1556041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36230.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1556041 is about 1247.4137244716. The cubic root of 1556041 is about 115.8796065604.

The spelling of 1556041 in words is "one million, five hundred fifty-six thousand, forty-one".