1082542 has 4 divisors (see below), whose sum is σ = 1623816. Its totient is φ = 541270.

The previous prime is 1082533. The next prime is 1082573. The reversal of 1082542 is 2452801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2452801 = 13 ⋅188677.

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 Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270634 + ... + 270637.

It is an arithmetic number, because the mean of its divisors is an integer number (405954).

2^1082542 is an apocalyptic number.

1082542 is a deficient number, since it is larger than the sum of its proper divisors (541274).

1082542 is an equidigital number, since it uses as much as digits as its factorization.

1082542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541273.

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

The square root of 1082542 is about 1040.4527860504. The cubic root of 1082542 is about 102.6789892632.

The spelling of 1082542 in words is "one million, eighty-two thousand, five hundred forty-two".