1204445434 has 4 divisors (see below), whose sum is σ = 1806668154. Its totient is φ = 602222716.

The previous prime is 1204445419. The next prime is 1204445441. The reversal of 1204445434 is 4345444021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1174775625 + 29669809 = 34275^2 + 5447^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1204445396 and 1204445405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301111357 + ... + 301111360.

Almost surely, 2^1204445434 is an apocalyptic number.

1204445434 is a deficient number, since it is larger than the sum of its proper divisors (602222720).

1204445434 is an equidigital number, since it uses as much as digits as its factorization.

1204445434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602222719.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 1204445434 is about 34705.1211494788. The cubic root of 1204445434 is about 1063.9691683879.

Adding to 1204445434 its reverse (4345444021), we get a palindrome (5549889455).

The spelling of 1204445434 in words is "one billion, two hundred four million, four hundred forty-five thousand, four hundred thirty-four".