103409100 has 108 divisors (see below), whose sum is σ = 328025880. Its totient is φ = 27244800.

The previous prime is 103409069. The next prime is 103409161. The reversal of 103409100 is 1904301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79455 + ... + 80745.

Almost surely, 2^103409100 is an apocalyptic number.

103409100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103409100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164012940).

103409100 is an abundant number, since it is smaller than the sum of its proper divisors (224616780).

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

103409100 is a wasteful number, since it uses less digits than its factorization.

103409100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 103409100 is about 10169.0265020797. The cubic root of 103409100 is about 469.3746020246.

The spelling of 103409100 in words is "one hundred three million, four hundred nine thousand, one hundred".