1200402404 has 12 divisors (see below), whose sum is σ = 2105021184. Its totient is φ = 598967784.

The previous prime is 1200402383. The next prime is 1200402409. The reversal of 1200402404 is 4042040021.

It is not an unprimeable number, because it can be changed into a prime (1200402409) 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 3 ways as a sum of consecutive naturals, for example, 306164 + ... + 310059.

It is an arithmetic number, because the mean of its divisors is an integer number (175418432).

Almost surely, 2^1200402404 is an apocalyptic number.

It is an amenable number.

1200402404 is a deficient number, since it is larger than the sum of its proper divisors (904618780).

1200402404 is a wasteful number, since it uses less digits than its factorization.

1200402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616714 (or 616712 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1200402404 is about 34646.8238659765. The cubic root of 1200402404 is about 1062.7773387018. Note that the first 3 decimals are identical.

Adding to 1200402404 its reverse (4042040021), we get a palindrome (5242442425).

The spelling of 1200402404 in words is "one billion, two hundred million, four hundred two thousand, four hundred four".