103688507 has 8 divisors (see below), whose sum is σ = 111785520. Its totient is φ = 95608800.

The previous prime is 103688503. The next prime is 103688513. The reversal of 103688507 is 705886301.

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 103688507 - 2² = 103688503 is a prime.

It is a super-3 number, since 3×103688507³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103688503) 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, 9869 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (13973190).

Almost surely, 2^103688507 is an apocalyptic number.

103688507 is a deficient number, since it is larger than the sum of its proper divisors (8097013).

103688507 is a wasteful number, since it uses less digits than its factorization.

103688507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 103688507 is about 10182.7553736697. The cubic root of 103688507 is about 469.7969652690.

The spelling of 103688507 in words is "one hundred three million, six hundred eighty-eight thousand, five hundred seven".