1042242305 has 16 divisors (see below), whose sum is σ = 1351680960. Its totient is φ = 766922688.

The previous prime is 1042242269. The next prime is 1042242323. The reversal of 1042242305 is 5032422401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1042242305 - 2⁶ = 1042242241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9935 + ... + 46724.

It is an arithmetic number, because the mean of its divisors is an integer number (84480060).

Almost surely, 2^1042242305 is an apocalyptic number.

It is an amenable number.

1042242305 is a deficient number, since it is larger than the sum of its proper divisors (309438655).

1042242305 is a wasteful number, since it uses less digits than its factorization.

1042242305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56960.

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

The square root of 1042242305 is about 32283.7777374334. Note that the first 4 decimals coincide. The cubic root of 1042242305 is about 1013.8870261364.

Adding to 1042242305 its reverse (5032422401), we get a palindrome (6074664706).

The spelling of 1042242305 in words is "one billion, forty-two million, two hundred forty-two thousand, three hundred five".