1300001100 has 36 divisors (see below), whose sum is σ = 3761337384. Its totient is φ = 346666880.

The previous prime is 1300001041. The next prime is 1300001113. The reversal of 1300001100 is 11000031.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 2166369 + ... + 2166968.

It is an arithmetic number, because the mean of its divisors is an integer number (104481594).

Almost surely, 2^1300001100 is an apocalyptic number.

1300001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300001100 is an abundant number, since it is smaller than the sum of its proper divisors (2461336284).

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

1300001100 is a wasteful number, since it uses less digits than its factorization.

1300001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333354 (or 4333347 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

The square root of 1300001100 is about 36055.5280088921. The cubic root of 1300001100 is about 1091.3931908898.

Adding to 1300001100 its reverse (11000031), we get a palindrome (1311001131).

The spelling of 1300001100 in words is "one billion, three hundred million, one thousand, one hundred".