106021277 has 4 divisors (see below), whose sum is σ = 106784160. Its totient is φ = 105258396.

The previous prime is 106021249. The next prime is 106021297. The reversal of 106021277 is 772120601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 772120601 = 7 ⋅110302943.

It is a cyclic number.

It is not a de Polignac number, because 106021277 - 2¹⁸ = 105759133 is a prime.

It is a super-2 number, since 2×106021277² = 22481022353421458, 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 (106021207) 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, 381233 + ... + 381510.

It is an arithmetic number, because the mean of its divisors is an integer number (26696040).

Almost surely, 2^106021277 is an apocalyptic number.

It is an amenable number.

106021277 is a deficient number, since it is larger than the sum of its proper divisors (762883).

106021277 is an equidigital number, since it uses as much as digits as its factorization.

106021277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762882.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 106021277 is about 10296.6633916041. The cubic root of 106021277 is about 473.2940124161.

Adding to 106021277 its reverse (772120601), we get a palindrome (878141878).

The spelling of 106021277 in words is "one hundred six million, twenty-one thousand, two hundred seventy-seven".