106243420 has 12 divisors (see below), whose sum is σ = 223111224. Its totient is φ = 42497360.

The previous prime is 106243393. The next prime is 106243427. The reversal of 106243420 is 24342601.

It is a happy number.

It is a super-2 number, since 2×106243420² = 22575328586592800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106243391 and 106243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106243427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656066 + ... + 2656105.

It is an arithmetic number, because the mean of its divisors is an integer number (18592602).

Almost surely, 2^106243420 is an apocalyptic number.

106243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106243420 is an abundant number, since it is smaller than the sum of its proper divisors (116867804).

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

106243420 is a wasteful number, since it uses less digits than its factorization.

106243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312180 (or 5312178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 106243420 is about 10307.4448822198. Note that the first 3 decimals coincide. The cubic root of 106243420 is about 473.6243410970.

The spelling of 106243420 in words is "one hundred six million, two hundred forty-three thousand, four hundred twenty".