1020442 has 8 divisors (see below), whose sum is σ = 1620756. Its totient is φ = 480192.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020442 is 2440201.

1020442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 58081 = 981^2 + 241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14973 + ... + 15040.

2^1020442 is an apocalyptic number.

1020442 is a deficient number, since it is larger than the sum of its proper divisors (600314).

1020442 is a wasteful number, since it uses less digits than its factorization.

1020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1020442 is about 1010.1692927426. The cubic root of 1020442 is about 100.6768089621.

Adding to 1020442 its reverse (2440201), we get a palindrome (3460643).

The spelling of 1020442 in words is "one million, twenty thousand, four hundred forty-two".