103921456 has 20 divisors (see below), whose sum is σ = 206790832. Its totient is φ = 50556096.

The previous prime is 103921453. The next prime is 103921463. The reversal of 103921456 is 654129301.

It is not an unprimeable number, because it can be changed into a prime (103921451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 87180 + ... + 88363.

Almost surely, 2^103921456 is an apocalyptic number.

103921456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103921456 is a deficient number, since it is larger than the sum of its proper divisors (102869376).

103921456 is a wasteful number, since it uses less digits than its factorization.

103921456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175588 (or 175582 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 103921456 is about 10194.1873633949. The cubic root of 103921456 is about 470.1485210416.

The spelling of 103921456 in words is "one hundred three million, nine hundred twenty-one thousand, four hundred fifty-six".