102550103 has 4 divisors (see below), whose sum is σ = 108582480. Its totient is φ = 96517728.

The previous prime is 102550081. The next prime is 102550121. The reversal of 102550103 is 301055201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102550103 - 2²⁴ = 85772887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6032359 = 102550103 / (1 + 0 + 2 + 5 + 5 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102550153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016163 + ... + 3016196.

It is an arithmetic number, because the mean of its divisors is an integer number (27145620).

Almost surely, 2^102550103 is an apocalyptic number.

102550103 is a deficient number, since it is larger than the sum of its proper divisors (6032377).

102550103 is an equidigital number, since it uses as much as digits as its factorization.

102550103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032376.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 102550103 is about 10126.7024741522. The cubic root of 102550103 is about 468.0713222564.

The spelling of 102550103 in words is "one hundred two million, five hundred fifty thousand, one hundred three".