1204435413 has 20 divisors (see below), whose sum is σ = 1800247680. Its totient is φ = 802497672.

The previous prime is 1204435399. The next prime is 1204435429. The reversal of 1204435413 is 3145344021.

It is a happy number.

1204435413 is a `hidden beast` number, since 1 + 204 + 43 + 5 + 413 = 666.

It is not a de Polignac number, because 1204435413 - 2²⁶ = 1137326549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204435013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196156 + ... + 202202.

It is an arithmetic number, because the mean of its divisors is an integer number (90012384).

Almost surely, 2^1204435413 is an apocalyptic number.

It is an amenable number.

1204435413 is a deficient number, since it is larger than the sum of its proper divisors (595812267).

1204435413 is an equidigital number, since it uses as much as digits as its factorization.

1204435413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8518 (or 8509 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1204435413 is about 34704.9767756730. The cubic root of 1204435413 is about 1063.9662176344.

Adding to 1204435413 its reverse (3145344021), we get a palindrome (4349779434).

The spelling of 1204435413 in words is "one billion, two hundred four million, four hundred thirty-five thousand, four hundred thirteen".