1300122100 has 36 divisors (see below), whose sum is σ = 2825273164. Its totient is φ = 519310080.

The previous prime is 1300122049. The next prime is 1300122119. The reversal of 1300122100 is 12210031.

It can be written as a sum of positive squares in 6 ways, for example, as 186431716 + 1113690384 = 13654^2 + 33372^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

1300122100 is a modest number, since divided by 122100 gives 1300 as remainder.

It is a congruent number.

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, 64432 + ... + 82168.

Almost surely, 2^1300122100 is an apocalyptic number.

1300122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300122100 is an abundant number, since it is smaller than the sum of its proper divisors (1525151064).

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

1300122100 is a wasteful number, since it uses less digits than its factorization.

1300122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484 (or 18477 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1300122100 is about 36057.2059372326. The cubic root of 1300122100 is about 1091.4270509840.

Adding to 1300122100 its reverse (12210031), we get a palindrome (1312332131).

The spelling of 1300122100 in words is "one billion, three hundred million, one hundred twenty-two thousand, one hundred".