185055103 has 2 divisors, whose sum is σ = 185055104. Its totient is φ = 185055102.

The previous prime is 185055097. The next prime is 185055131. The reversal of 185055103 is 301550581.

It is an a-pointer prime, because the next prime (185055131) can be obtained adding 185055103 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185055103 is a prime.

It is a super-2 number, since 2×185055103² = 68490782292681218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185055133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92527551 + 92527552.

It is an arithmetic number, because the mean of its divisors is an integer number (92527552).

Almost surely, 2^185055103 is an apocalyptic number.

185055103 is a deficient number, since it is larger than the sum of its proper divisors (1).

185055103 is an equidigital number, since it uses as much as digits as its factorization.

185055103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 185055103 is about 13603.4959844887. The cubic root of 185055103 is about 569.8584885188.

It can be divided in two parts, 1850 and 55103, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 185055103 in words is "one hundred eighty-five million, fifty-five thousand, one hundred three".