103101421 has 2 divisors, whose sum is σ = 103101422. Its totient is φ = 103101420.

The previous prime is 103101403. The next prime is 103101431. The reversal of 103101421 is 124101301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88623396 + 14478025 = 9414^2 + 3805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103101421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103101431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51550710 + 51550711.

It is an arithmetic number, because the mean of its divisors is an integer number (51550711).

Almost surely, 2^103101421 is an apocalyptic number.

It is an amenable number.

103101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103101421 is an equidigital number, since it uses as much as digits as its factorization.

103101421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 103101421 is about 10153.8869897197. The cubic root of 103101421 is about 468.9086205464.

Adding to 103101421 its reverse (124101301), we get a palindrome (227202722).

The spelling of 103101421 in words is "one hundred three million, one hundred one thousand, four hundred twenty-one".