106721248 has 24 divisors (see below), whose sum is σ = 210396312. Its totient is φ = 53287296.

The previous prime is 106721239. The next prime is 106721249. The reversal of 106721248 is 842127601.

It is a super-2 number, since 2×106721248² = 22778849549355008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106721249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27186 + ... + 30862.

It is an arithmetic number, because the mean of its divisors is an integer number (8766513).

Almost surely, 2^106721248 is an apocalyptic number.

It is an amenable number.

106721248 is a deficient number, since it is larger than the sum of its proper divisors (103675064).

106721248 is an equidigital number, since it uses as much as digits as its factorization.

106721248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 106721248 is about 10330.5976593806. The cubic root of 106721248 is about 474.3333184631. Note that the first 4 decimals are identical.

Adding to 106721248 its reverse (842127601), we get a palindrome (948848849).

The spelling of 106721248 in words is "one hundred six million, seven hundred twenty-one thousand, two hundred forty-eight".