106212481 has 8 divisors (see below), whose sum is σ = 112825224. Its totient is φ = 99640320.

The previous prime is 106212473. The next prime is 106212493. The reversal of 106212481 is 184212601.

It can be written as a sum of positive squares in 4 ways, for example, as 19722481 + 86490000 = 4441^2 + 9300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106212481 - 2³ = 106212473 is a prime.

It is a super-2 number, since 2×106212481² = 22562182240350722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106212461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660 + ... + 15301.

It is an arithmetic number, because the mean of its divisors is an integer number (14103153).

Almost surely, 2^106212481 is an apocalyptic number.

It is an amenable number.

106212481 is a deficient number, since it is larger than the sum of its proper divisors (6612743).

106212481 is a wasteful number, since it uses less digits than its factorization.

106212481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20291.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 106212481 is about 10305.9439645284. The cubic root of 106212481 is about 473.5783621362.

The spelling of 106212481 in words is "one hundred six million, two hundred twelve thousand, four hundred eighty-one".