106621441 has 2 divisors, whose sum is σ = 106621442. Its totient is φ = 106621440.

The previous prime is 106621423. The next prime is 106621469. The reversal of 106621441 is 144126601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106090000 + 531441 = 10300^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 106621441 - 2²³ = 98232833 is a prime.

It is a super-2 number, since 2×106621441² = 22736263361832962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106628441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53310720 + 53310721.

It is an arithmetic number, because the mean of its divisors is an integer number (53310721).

Almost surely, 2^106621441 is an apocalyptic number.

It is an amenable number.

106621441 is a deficient number, since it is larger than the sum of its proper divisors (1).

106621441 is an equidigital number, since it uses as much as digits as its factorization.

106621441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 106621441 is about 10325.7658795849. The cubic root of 106621441 is about 474.1854049274.

The spelling of 106621441 in words is "one hundred six million, six hundred twenty-one thousand, four hundred forty-one".