1204445242 has 64 divisors (see below), whose sum is σ = 2435505408. Its totient is φ = 431424000.

The previous prime is 1204445237. The next prime is 1204445243. The reversal of 1204445242 is 2425444021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204445242.

It is not an unprimeable number, because it can be changed into a prime (1204445243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561492 + ... + 563632.

It is an arithmetic number, because the mean of its divisors is an integer number (38054772).

Almost surely, 2^1204445242 is an apocalyptic number.

1204445242 is an abundant number, since it is smaller than the sum of its proper divisors (1231060166).

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

1204445242 is a wasteful number, since it uses less digits than its factorization.

1204445242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1204445242 is about 34705.1183833163. The cubic root of 1204445242 is about 1063.9691118523.

Adding to 1204445242 its reverse (2425444021), we get a palindrome (3629889263).

The spelling of 1204445242 in words is "one billion, two hundred four million, four hundred forty-five thousand, two hundred forty-two".