1029242 has 4 divisors (see below), whose sum is σ = 1543866. Its totient is φ = 514620.

The previous prime is 1029209. The next prime is 1029247. The reversal of 1029242 is 2429201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2429201 = 181 ⋅13421.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 109561 = 959^2 + 331^2 .

It is not an unprimeable number, because it can be changed into a prime (1029247) by changing a digit.

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 as a sum of consecutive naturals, namely, 257309 + ... + 257312.

2^1029242 is an apocalyptic number.

1029242 is a deficient number, since it is larger than the sum of its proper divisors (514624).

1029242 is an equidigital number, since it uses as much as digits as its factorization.

1029242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514623.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1029242 is about 1014.5156479818. The cubic root of 1029242 is about 100.9653836866.

The spelling of 1029242 in words is "one million, twenty-nine thousand, two hundred forty-two".