103987403 has 8 divisors (see below), whose sum is σ = 112454496. Its totient is φ = 95587200.

The previous prime is 103987391. The next prime is 103987409. The reversal of 103987403 is 304789301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103987403 - 2⁶ = 103987339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103987409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13463 + ... + 19728.

It is an arithmetic number, because the mean of its divisors is an integer number (14056812).

Almost surely, 2^103987403 is an apocalyptic number.

103987403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103987403 is a deficient number, since it is larger than the sum of its proper divisors (8467093).

103987403 is a wasteful number, since it uses less digits than its factorization.

103987403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33445.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 103987403 is about 10197.4213897436. The cubic root of 103987403 is about 470.2479497499.

The spelling of 103987403 in words is "one hundred three million, nine hundred eighty-seven thousand, four hundred three".