106455021 has 4 divisors (see below), whose sum is σ = 141940032. Its totient is φ = 70970012.

The previous prime is 106454993. The next prime is 106455029. The reversal of 106455021 is 120554601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106455021 - 2¹⁴ = 106438637 is a prime.

It is a super-2 number, since 2×106455021² = 22665342992220882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106454982 and 106455000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106455029) 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 3 ways as a sum of consecutive naturals, for example, 17742501 + ... + 17742506.

It is an arithmetic number, because the mean of its divisors is an integer number (35485008).

Almost surely, 2^106455021 is an apocalyptic number.

It is an amenable number.

106455021 is a deficient number, since it is larger than the sum of its proper divisors (35485011).

106455021 is an equidigital number, since it uses as much as digits as its factorization.

106455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35485010.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 106455021 is about 10317.7042504619. The cubic root of 106455021 is about 473.9385658064.

The spelling of 106455021 in words is "one hundred six million, four hundred fifty-five thousand, twenty-one".