103214121 has 4 divisors (see below), whose sum is σ = 137618832. Its totient is φ = 68809412.

The previous prime is 103214119. The next prime is 103214131. The reversal of 103214121 is 121412301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103214121 - 2¹ = 103214119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 103214121.

It is not an unprimeable number, because it can be changed into a prime (103214131) 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 3 ways as a sum of consecutive naturals, for example, 17202351 + ... + 17202356.

It is an arithmetic number, because the mean of its divisors is an integer number (34404708).

Almost surely, 2^103214121 is an apocalyptic number.

It is an amenable number.

103214121 is a deficient number, since it is larger than the sum of its proper divisors (34404711).

103214121 is an equidigital number, since it uses as much as digits as its factorization.

103214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404710.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 103214121 is about 10159.4350728768. The cubic root of 103214121 is about 469.0794127541.

Adding to 103214121 its reverse (121412301), we get a palindrome (224626422).

The spelling of 103214121 in words is "one hundred three million, two hundred fourteen thousand, one hundred twenty-one".