1204989120 has 336 divisors, whose sum is σ = 4446605280. Its totient is φ = 299427840.

The previous prime is 1204989109. The next prime is 1204989161. The reversal of 1204989120 is 219894021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19753890 + ... + 19753950.

Almost surely, 2^1204989120 is an apocalyptic number.

1204989120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204989120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223302640).

1204989120 is an abundant number, since it is smaller than the sum of its proper divisors (3241616160).

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

1204989120 is an equidigital number, since it uses as much as digits as its factorization.

1204989120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1204989120 is about 34712.9532019389. The cubic root of 1204989120 is about 1064.1292360027.

The spelling of 1204989120 in words is "one billion, two hundred four million, nine hundred eighty-nine thousand, one hundred twenty".