106621146 has 24 divisors (see below), whose sum is σ = 241057440. Its totient is φ = 33995016.

The previous prime is 106621133. The next prime is 106621147. The reversal of 106621146 is 641126601.

It is a super-2 number, since 2×106621146² = 22736137548706632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106621147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128356 + ... + 129183.

It is an arithmetic number, because the mean of its divisors is an integer number (10044060).

Almost surely, 2^106621146 is an apocalyptic number.

106621146 is an abundant number, since it is smaller than the sum of its proper divisors (134436294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106621146 is a wasteful number, since it uses less digits than its factorization.

106621146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257570 (or 257567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 106621146 is about 10325.7515949203. The cubic root of 106621146 is about 474.1849676019.

Adding to 106621146 its reverse (641126601), we get a palindrome (747747747).

The spelling of 106621146 in words is "one hundred six million, six hundred twenty-one thousand, one hundred forty-six".