1204821116 has 6 divisors (see below), whose sum is σ = 2108436960. Its totient is φ = 602410556.

The previous prime is 1204821113. The next prime is 1204821131. The reversal of 1204821116 is 6111284021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204821113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150602636 + ... + 150602643.

It is an arithmetic number, because the mean of its divisors is an integer number (351406160).

Almost surely, 2^1204821116 is an apocalyptic number.

It is an amenable number.

1204821116 is a deficient number, since it is larger than the sum of its proper divisors (903615844).

1204821116 is a wasteful number, since it uses less digits than its factorization.

1204821116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301205283 (or 301205281 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1204821116 is about 34710.5332139972. The cubic root of 1204821116 is about 1064.0797787713.

The spelling of 1204821116 in words is "one billion, two hundred four million, eight hundred twenty-one thousand, one hundred sixteen".