106330421 has 2 divisors, whose sum is σ = 106330422. Its totient is φ = 106330420.

The previous prime is 106330391. The next prime is 106330429. The reversal of 106330421 is 124033601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105987025 + 343396 = 10295^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 106330421 - 2¹⁰ = 106329397 is a prime.

It is a super-2 number, since 2×106330421² = 22612316860074482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 106330393 and 106330402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106330429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53165210 + 53165211.

It is an arithmetic number, because the mean of its divisors is an integer number (53165211).

Almost surely, 2^106330421 is an apocalyptic number.

It is an amenable number.

106330421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106330421 is an equidigital number, since it uses as much as digits as its factorization.

106330421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 106330421 is about 10311.6643176550. The cubic root of 106330421 is about 473.7535869014.

The spelling of 106330421 in words is "one hundred six million, three hundred thirty thousand, four hundred twenty-one".