1300001200 has 60 divisors (see below), whose sum is σ = 3189751200. Its totient is φ = 508929280.

The previous prime is 1300001177. The next prime is 1300001231. The reversal of 1300001200 is 21000031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15775 + ... + 53374.

It is an arithmetic number, because the mean of its divisors is an integer number (53162520).

Almost surely, 2^1300001200 is an apocalyptic number.

1300001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300001200 is an abundant number, since it is smaller than the sum of its proper divisors (1889750000).

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

1300001200 is a wasteful number, since it uses less digits than its factorization.

1300001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69214 (or 69203 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1300001200 is about 36055.5293956419. The cubic root of 1300001200 is about 1091.3932188742.

Adding to 1300001200 its reverse (21000031), we get a palindrome (1321001231).

The spelling of 1300001200 in words is "one billion, three hundred million, one thousand, two hundred".