103661300 has 18 divisors (see below), whose sum is σ = 224945238. Its totient is φ = 41464480.

The previous prime is 103661297. The next prime is 103661323. The reversal of 103661300 is 3166301.

It can be written as a sum of positive squares in 3 ways, for example, as 35664784 + 67996516 = 5972^2 + 8246^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518207 + ... + 518406.

Almost surely, 2^103661300 is an apocalyptic number.

103661300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103661300 is an abundant number, since it is smaller than the sum of its proper divisors (121283938).

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

103661300 is a wasteful number, since it uses less digits than its factorization.

103661300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036627 (or 1036620 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 103661300 is about 10181.4193509550. The cubic root of 103661300 is about 469.7558714053.

The spelling of 103661300 in words is "one hundred three million, six hundred sixty-one thousand, three hundred".