1204213442 has 8 divisors (see below), whose sum is σ = 1806948156. Its totient is φ = 601897392.

The previous prime is 1204213441. The next prime is 1204213471. The reversal of 1204213442 is 2443124021.

It can be written as a sum of positive squares in 2 ways, for example, as 1149142201 + 55071241 = 33899^2 + 7421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1204213441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97373 + ... + 109040.

Almost surely, 2^1204213442 is an apocalyptic number.

1204213442 is a deficient number, since it is larger than the sum of its proper divisors (602734714).

1204213442 is a wasteful number, since it uses less digits than its factorization.

1204213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209332.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1204213442 is about 34701.7786575847. The cubic root of 1204213442 is about 1063.9008525257.

Adding to 1204213442 its reverse (2443124021), we get a palindrome (3647337463).

The spelling of 1204213442 in words is "one billion, two hundred four million, two hundred thirteen thousand, four hundred forty-two".