103921100 has 36 divisors (see below), whose sum is σ = 226850064. Its totient is φ = 41321280.

The previous prime is 103921079. The next prime is 103921133. The reversal of 103921100 is 1129301.

It is a happy 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, 14297 + ... + 20303.

Almost surely, 2^103921100 is an apocalyptic number.

103921100 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 103921100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113425032).

103921100 is an abundant number, since it is smaller than the sum of its proper divisors (122928964).

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

103921100 is a wasteful number, since it uses less digits than its factorization.

103921100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194 (or 6187 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 103921100 is about 10194.1699024491. The cubic root of 103921100 is about 470.1479841840.

The spelling of 103921100 in words is "one hundred three million, nine hundred twenty-one thousand, one hundred".