103921104 has 40 divisors (see below), whose sum is σ = 306815680. Its totient is φ = 29691648.

The previous prime is 103921079. The next prime is 103921133. The reversal of 103921104 is 401129301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154309 + ... + 154980.

It is an arithmetic number, because the mean of its divisors is an integer number (7670392).

Almost surely, 2^103921104 is an apocalyptic number.

103921104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103921104 is an abundant number, since it is smaller than the sum of its proper divisors (202894576).

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

103921104 is a wasteful number, since it uses less digits than its factorization.

103921104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309307 (or 309301 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 103921104 is about 10194.1700986397. The cubic root of 103921104 is about 470.1479902161.

The spelling of 103921104 in words is "one hundred three million, nine hundred twenty-one thousand, one hundred four".