103201655 has 4 divisors (see below), whose sum is σ = 123841992. Its totient is φ = 82561320.

The previous prime is 103201649. The next prime is 103201661. The reversal of 103201655 is 556102301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556102301 = 6709 ⋅82889.

It is an interprime number because it is at equal distance from previous prime (103201649) and next prime (103201661).

It is not a de Polignac number, because 103201655 - 2⁴ = 103201639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103201655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10320161 + ... + 10320170.

It is an arithmetic number, because the mean of its divisors is an integer number (30960498).

Almost surely, 2^103201655 is an apocalyptic number.

103201655 is a deficient number, since it is larger than the sum of its proper divisors (20640337).

103201655 is an equidigital number, since it uses as much as digits as its factorization.

103201655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640336.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 103201655 is about 10158.8215359854. The cubic root of 103201655 is about 469.0605271619.

Adding to 103201655 its reverse (556102301), we get a palindrome (659303956).

The spelling of 103201655 in words is "one hundred three million, two hundred one thousand, six hundred fifty-five".