1300451328 has 208 divisors, whose sum is σ = 4206897600. Its totient is φ = 393707520.

The previous prime is 1300451309. The next prime is 1300451377. The reversal of 1300451328 is 8231540031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215978 + ... + 1217046.

Almost surely, 2^1300451328 is an apocalyptic number.

1300451328 is a gapful number since it is divisible by the number (18) 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 1300451328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103448800).

1300451328 is an abundant number, since it is smaller than the sum of its proper divisors (2906446272).

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

1300451328 is a wasteful number, since it uses less digits than its factorization.

1300451328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1300451328 is about 36061.7710047635. The cubic root of 1300451328 is about 1091.5191700290.

Adding to 1300451328 its reverse (8231540031), we get a palindrome (9531991359).

The spelling of 1300451328 in words is "one billion, three hundred million, four hundred fifty-one thousand, three hundred twenty-eight".