1023442 has 16 divisors (see below), whose sum is σ = 1798272. Its totient is φ = 427680.

The previous prime is 1023419. The next prime is 1023461. The reversal of 1023442 is 2443201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (112392).

2^1023442 is an apocalyptic number.

1023442 is a deficient number, since it is larger than the sum of its proper divisors (774830).

1023442 is a wasteful number, since it uses less digits than its factorization.

1023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1023442 is about 1011.6531025999. The cubic root of 1023442 is about 100.7753724373.

Adding to 1023442 its reverse (2443201), we get a palindrome (3466643).

The spelling of 1023442 in words is "one million, twenty-three thousand, four hundred forty-two".