103212055 has 8 divisors (see below), whose sum is σ = 127202112. Its totient is φ = 80337888.

The previous prime is 103212037. The next prime is 103212059. The reversal of 103212055 is 550212301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103212055 - 2⁵ = 103212023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278767 + ... + 279136.

It is an arithmetic number, because the mean of its divisors is an integer number (15900264).

Almost surely, 2^103212055 is an apocalyptic number.

103212055 is a deficient number, since it is larger than the sum of its proper divisors (23990057).

103212055 is an equidigital number, since it uses as much as digits as its factorization.

103212055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557945.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 103212055 is about 10159.3333934860. Note that the first 4 decimals coincide. The cubic root of 103212055 is about 469.0762829352.

Adding to 103212055 its reverse (550212301), we get a palindrome (653424356).

The spelling of 103212055 in words is "one hundred three million, two hundred twelve thousand, fifty-five".