1300100 has 18 divisors (see below), whose sum is σ = 2821434. Its totient is φ = 520000.

The previous prime is 1300097. The next prime is 1300111. The reversal of 1300100 is 10031.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 1290496 = 98^2 + 1136^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6401 + ... + 6600.

2^1300100 is an apocalyptic number.

1300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300100 is an abundant number, since it is smaller than the sum of its proper divisors (1521334).

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

1300100 is a wasteful number, since it uses less digits than its factorization.

1300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015 (or 13008 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 1300100 is about 1140.2192771568. The cubic root of 1300100 is about 109.1420866776.

Adding to 1300100 its reverse (10031), we get a palindrome (1310131).

The spelling of 1300100 in words is "one million, three hundred thousand, one hundred".