1300129300 has 36 divisors (see below), whose sum is σ = 2840247900. Its totient is φ = 516555520.

The previous prime is 1300129261. The next prime is 1300129309. The reversal of 1300129300 is 39210031.

It can be written as a sum of positive squares in 6 ways, for example, as 530288784 + 769840516 = 23028^2 + 27746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300129309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28729 + ... + 58528.

It is an arithmetic number, because the mean of its divisors is an integer number (78895775).

Almost surely, 2^1300129300 is an apocalyptic number.

1300129300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300129300 is an abundant number, since it is smaller than the sum of its proper divisors (1540118600).

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

1300129300 is a wasteful number, since it uses less digits than its factorization.

1300129300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87420 (or 87413 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1300129300 is about 36057.3057784411. The cubic root of 1300129300 is about 1091.4290657333.

Adding to 1300129300 its reverse (39210031), we get a palindrome (1339339331).

The spelling of 1300129300 in words is "one billion, three hundred million, one hundred twenty-nine thousand, three hundred".