1042242530 has 32 divisors (see below), whose sum is σ = 2256888960. Its totient is φ = 338532480.

The previous prime is 1042242521. The next prime is 1042242559. The reversal of 1042242530 is 352422401.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1042242496 and 1042242505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390491 + ... + 393150.

It is an arithmetic number, because the mean of its divisors is an integer number (70527780).

Almost surely, 2^1042242530 is an apocalyptic number.

1042242530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042242530 is an abundant number, since it is smaller than the sum of its proper divisors (1214646430).

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

1042242530 is a wasteful number, since it uses less digits than its factorization.

1042242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783674.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1042242530 is about 32283.7812221555. The cubic root of 1042242530 is about 1013.8870990960.

Adding to 1042242530 its reverse (352422401), we get a palindrome (1394664931).

The spelling of 1042242530 in words is "one billion, forty-two million, two hundred forty-two thousand, five hundred thirty".