1204940789 has 8 divisors (see below), whose sum is σ = 1300236000. Its totient is φ = 1110018096.

The previous prime is 1204940753. The next prime is 1204940801. The reversal of 1204940789 is 9870494021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204940789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204940719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86387 + ... + 99360.

It is an arithmetic number, because the mean of its divisors is an integer number (162529500).

Almost surely, 2^1204940789 is an apocalyptic number.

It is an amenable number.

1204940789 is a deficient number, since it is larger than the sum of its proper divisors (95295211).

1204940789 is a wasteful number, since it uses less digits than its factorization.

1204940789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186259.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1204940789 is about 34712.2570427220. The cubic root of 1204940789 is about 1064.1150087324.

The spelling of 1204940789 in words is "one billion, two hundred four million, nine hundred forty thousand, seven hundred eighty-nine".