106921320 has 64 divisors (see below), whose sum is σ = 349928640. Its totient is φ = 25920000.

The previous prime is 106921301. The next prime is 106921361. The reversal of 106921320 is 23129601.

It is a super-2 number, since 2×106921320² = 22864337341084800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39181 + ... + 41820.

It is an arithmetic number, because the mean of its divisors is an integer number (5467635).

Almost surely, 2^106921320 is an apocalyptic number.

106921320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106921320 is an abundant number, since it is smaller than the sum of its proper divisors (243007320).

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

106921320 is a wasteful number, since it uses less digits than its factorization.

106921320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81026 (or 81022 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 106921320 is about 10340.2765920453. The cubic root of 106921320 is about 474.6295467998.

The spelling of 106921320 in words is "one hundred six million, nine hundred twenty-one thousand, three hundred twenty".