1542028 has 12 divisors (see below), whose sum is σ = 2711520. Its totient is φ = 767312.

The previous prime is 1542007. The next prime is 1542029. The reversal of 1542028 is 8202451.

It is not an unprimeable number, because it can be changed into a prime (1542029) 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, 150 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (225960).

2^1542028 is an apocalyptic number.

It is an amenable number.

1542028 is a deficient number, since it is larger than the sum of its proper divisors (1169492).

1542028 is a wasteful number, since it uses less digits than its factorization.

1542028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1542028 is about 1241.7842002538. The cubic root of 1542028 is about 115.5307040301.

Adding to 1542028 its reverse (8202451), we get a palindrome (9744479).

The spelling of 1542028 in words is "one million, five hundred forty-two thousand, twenty-eight".