1204203402 has 16 divisors (see below), whose sum is σ = 2676007680. Its totient is φ = 401401116.

The previous prime is 1204203391. The next prime is 1204203421. The reversal of 1204203402 is 2043024021.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 7 ways as a sum of consecutive naturals, for example, 11149978 + ... + 11150085.

It is an arithmetic number, because the mean of its divisors is an integer number (167250480).

Almost surely, 2^1204203402 is an apocalyptic number.

1204203402 is an abundant number, since it is smaller than the sum of its proper divisors (1471804278).

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

1204203402 is a wasteful number, since it uses less digits than its factorization.

1204203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300074 (or 22300068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1204203402 is about 34701.6339961103. The cubic root of 1204203402 is about 1063.8978957979.

Adding to 1204203402 its reverse (2043024021), we get a palindrome (3247227423).

The spelling of 1204203402 in words is "one billion, two hundred four million, two hundred three thousand, four hundred two".