106450421 has 16 divisors (see below), whose sum is σ = 133319040. Its totient is φ = 82572480.

The previous prime is 106450411. The next prime is 106450427. The reversal of 106450421 is 124054601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106450421 is a prime.

It is a super-2 number, since 2×106450421² = 22663384262154482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106450427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14615 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (8332440).

Almost surely, 2^106450421 is an apocalyptic number.

106450421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106450421 is a deficient number, since it is larger than the sum of its proper divisors (26868619).

106450421 is a wasteful number, since it uses less digits than its factorization.

106450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 106450421 is about 10317.4813302472. The cubic root of 106450421 is about 473.9317392964.

The spelling of 106450421 in words is "one hundred six million, four hundred fifty thousand, four hundred twenty-one".