1042240242 has 16 divisors (see below), whose sum is σ = 2087540640. Its totient is φ = 346903392.

The previous prime is 1042240223. The next prime is 1042240247. The reversal of 1042240242 is 2420422401.

It is not an unprimeable number, because it can be changed into a prime (1042240247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123067 + ... + 131262.

It is an arithmetic number, because the mean of its divisors is an integer number (130471290).

Almost surely, 2^1042240242 is an apocalyptic number.

1042240242 is an abundant number, since it is smaller than the sum of its proper divisors (1045300398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042240242 is a wasteful number, since it uses less digits than its factorization.

1042240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255017.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1042240242 is about 32283.7457863861. The cubic root of 1042240242 is about 1013.8863571780.

Adding to 1042240242 its reverse (2420422401), we get a palindrome (3462662643).

The spelling of 1042240242 in words is "one billion, forty-two million, two hundred forty thousand, two hundred forty-two".