1204981760 has 104 divisors (see below), whose sum is σ = 3062582136. Its totient is φ = 453509120.

The previous prime is 1204981699. The next prime is 1204981781. The reversal of 1204981760 is 671894021.

It can be written as a sum of positive squares in 4 ways, for example, as 110166016 + 1094815744 = 10496^2 + 33088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346430 + ... + 349890.

Almost surely, 2^1204981760 is an apocalyptic number.

1204981760 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 1204981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531291068).

1204981760 is an abundant number, since it is smaller than the sum of its proper divisors (1857600376).

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

1204981760 is an equidigital number, since it uses as much as digits as its factorization.

1204981760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1204981760 is about 34712.8471894773. The cubic root of 1204981760 is about 1064.1270694528.

The spelling of 1204981760 in words is "one billion, two hundred four million, nine hundred eighty-one thousand, seven hundred sixty".