1566042 has 16 divisors (see below), whose sum is σ = 3149472. Its totient is φ = 519120.

The previous prime is 1566031. The next prime is 1566043. The reversal of 1566042 is 2406651.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1566043) 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 7 ways as a sum of consecutive naturals, for example, 648 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (196842).

2^1566042 is an apocalyptic number.

1566042 is an abundant number, since it is smaller than the sum of its proper divisors (1583430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1566042 is a wasteful number, since it uses less digits than its factorization.

1566042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1566042 is about 1251.4159979799. The cubic root of 1566042 is about 116.1273373757.

The spelling of 1566042 in words is "one million, five hundred sixty-six thousand, forty-two".