1204245402 has 8 divisors (see below), whose sum is σ = 2408490816. Its totient is φ = 401415132.

The previous prime is 1204245379. The next prime is 1204245433. The reversal of 1204245402 is 2045424021.

It is a happy number.

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

1204245402 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100353778 + ... + 100353789.

It is an arithmetic number, because the mean of its divisors is an integer number (301061352).

Almost surely, 2^1204245402 is an apocalyptic number.

1204245402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1204245402 is a wasteful number, since it uses less digits than its factorization.

1204245402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200707572.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1204245402 is about 34702.2391496572. The cubic root of 1204245402 is about 1063.9102644703.

Adding to 1204245402 its reverse (2045424021), we get a palindrome (3249669423).

The spelling of 1204245402 in words is "one billion, two hundred four million, two hundred forty-five thousand, four hundred two".