103550987 has 2 divisors, whose sum is σ = 103550988. Its totient is φ = 103550986.

The previous prime is 103550971. The next prime is 103550989. The reversal of 103550987 is 789055301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103550987 - 2⁴ = 103550971 is a prime.

It is a super-3 number, since 3×103550987³ (a number of 25 digits) contains 333 as substring.

Together with 103550989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103550987.

It is not a weakly prime, because it can be changed into another prime (103550989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51775493 + 51775494.

It is an arithmetic number, because the mean of its divisors is an integer number (51775494).

Almost surely, 2^103550987 is an apocalyptic number.

103550987 is a deficient number, since it is larger than the sum of its proper divisors (1).

103550987 is an equidigital number, since it uses as much as digits as its factorization.

103550987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 103550987 is about 10176.0005404874. Note that the first 3 decimals coincide. The cubic root of 103550987 is about 469.5891792643.

The spelling of 103550987 in words is "one hundred three million, five hundred fifty thousand, nine hundred eighty-seven".