1304250000 has 280 divisors, whose sum is σ = 4417443456. Its totient is φ = 331200000.

The previous prime is 1304249993. The next prime is 1304250019. The reversal of 1304250000 is 524031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 27749977 + ... + 27750023.

Almost surely, 2^1304250000 is an apocalyptic number.

1304250000 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 1304250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2208721728).

1304250000 is an abundant number, since it is smaller than the sum of its proper divisors (3113193456).

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

1304250000 is an frugal number, since it uses more digits than its factorization.

1304250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1304250000 is about 36114.4015594887. The cubic root of 1304250000 is about 1092.5809277343.

Adding to 1304250000 its reverse (524031), we get a palindrome (1304774031).

The spelling of 1304250000 in words is "one billion, three hundred four million, two hundred fifty thousand".