106060421 has 2 divisors, whose sum is σ = 106060422. Its totient is φ = 106060420.

The previous prime is 106060387. The next prime is 106060441. The reversal of 106060421 is 124060601.

It is a happy number.

It is an a-pointer prime, because the next prime (106060441) can be obtained adding 106060421 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 32615521 = 8570^2 + 5711^2 .

It is a cyclic number.

It is not a de Polignac number, because 106060421 - 2²⁶ = 38951557 is a prime.

It is a super-2 number, since 2×106060421² = 22497625805394482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106060393 and 106060402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106060441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53030210 + 53030211.

It is an arithmetic number, because the mean of its divisors is an integer number (53030211).

Almost surely, 2^106060421 is an apocalyptic number.

It is an amenable number.

106060421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106060421 is an equidigital number, since it uses as much as digits as its factorization.

106060421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 106060421 is about 10298.5640261155. The cubic root of 106060421 is about 473.3522533710.

The spelling of 106060421 in words is "one hundred six million, sixty thousand, four hundred twenty-one".