103609287 has 40 divisors (see below), whose sum is σ = 160672512. Its totient is φ = 66484800.

The previous prime is 103609189. The next prime is 103609301. The reversal of 103609287 is 782906301.

103609287 is a `hidden beast` number, since 10 + 360 + 9 + 287 = 666.

It is not a de Polignac number, because 103609287 - 2¹⁵ = 103576519 is a prime.

It is a super-3 number, since 3×103609287³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103609787) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 542362 + ... + 542552.

Almost surely, 2^103609287 is an apocalyptic number.

103609287 is a deficient number, since it is larger than the sum of its proper divisors (57063225).

103609287 is a wasteful number, since it uses less digits than its factorization.

103609287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 103609287 is about 10178.8647205865. The cubic root of 103609287 is about 469.6772901673.

The spelling of 103609287 in words is "one hundred three million, six hundred nine thousand, two hundred eighty-seven".