106421475 has 12 divisors (see below), whose sum is σ = 175950296. Its totient is φ = 56758080.

The previous prime is 106421473. The next prime is 106421507. The reversal of 106421475 is 574124601.

It is not a de Polignac number, because 106421475 - 2¹ = 106421473 is a prime.

It is a super-2 number, since 2×106421475² = 22651060682351250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106421473) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 709402 + ... + 709551.

Almost surely, 2^106421475 is an apocalyptic number.

106421475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106421475 is a deficient number, since it is larger than the sum of its proper divisors (69528821).

106421475 is a wasteful number, since it uses less digits than its factorization.

106421475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418966 (or 1418961 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 106421475 is about 10316.0784700389. The cubic root of 106421475 is about 473.8887782271. Note that the first 3 decimals are identical.

The spelling of 106421475 in words is "one hundred six million, four hundred twenty-one thousand, four hundred seventy-five".