106681420 has 24 divisors (see below), whose sum is σ = 227377584. Its totient is φ = 42035136.

The previous prime is 106681391. The next prime is 106681423. The reversal of 106681420 is 24186601.

It is a super-2 number, since 2×106681420² = 22761850746432800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106681423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38467 + ... + 41146.

It is an arithmetic number, because the mean of its divisors is an integer number (9474066).

Almost surely, 2^106681420 is an apocalyptic number.

106681420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106681420 is an abundant number, since it is smaller than the sum of its proper divisors (120696164).

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

106681420 is a wasteful number, since it uses less digits than its factorization.

106681420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79689 (or 79687 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 106681420 is about 10328.6698078697. The cubic root of 106681420 is about 474.2743046042.

The spelling of 106681420 in words is "one hundred six million, six hundred eighty-one thousand, four hundred twenty".