1528042 has 4 divisors (see below), whose sum is σ = 2292066. Its totient is φ = 764020.

The previous prime is 1528019. The next prime is 1528061. The reversal of 1528042 is 2408251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2408251 = 89 ⋅27059.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 109561 = 1191^2 + 331^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 382009 + ... + 382012.

2^1528042 is an apocalyptic number.

1528042 is a deficient number, since it is larger than the sum of its proper divisors (764024).

1528042 is an equidigital number, since it uses as much as digits as its factorization.

1528042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764023.

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

The square root of 1528042 is about 1236.1399597133. The cubic root of 1528042 is about 115.1803597079.

The spelling of 1528042 in words is "one million, five hundred twenty-eight thousand, forty-two".