1020242 has 4 divisors (see below), whose sum is σ = 1530366. Its totient is φ = 510120.

The previous prime is 1020233. The next prime is 1020247. The reversal of 1020242 is 2420201.

1020242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 923521 + 96721 = 961^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (1020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255059 + ... + 255062.

2^1020242 is an apocalyptic number.

1020242 is a deficient number, since it is larger than the sum of its proper divisors (510124).

1020242 is an equidigital number, since it uses as much as digits as its factorization.

1020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510123.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1020242 is about 1010.0702945835. The cubic root of 1020242 is about 100.6702311989.

Adding to 1020242 its reverse (2420201), we get a palindrome (3440443).

The spelling of 1020242 in words is "one million, twenty thousand, two hundred forty-two".