1201399204 has 36 divisors (see below), whose sum is σ = 2203744816. Its totient is φ = 573038928.

The previous prime is 1201399193. The next prime is 1201399217. The reversal of 1201399204 is 4029931021.

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 11 ways as a sum of consecutive naturals, for example, 1360147 + ... + 1361029.

Almost surely, 2^1201399204 is an apocalyptic number.

It is an amenable number.

1201399204 is a deficient number, since it is larger than the sum of its proper divisors (1002345612).

1201399204 is a wasteful number, since it uses less digits than its factorization.

1201399204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1201399204 is about 34661.2060378747. The cubic root of 1201399204 is about 1063.0714299031.

The spelling of 1201399204 in words is "one billion, two hundred one million, three hundred ninety-nine thousand, two hundred four".