106721267 has 2 divisors, whose sum is σ = 106721268. Its totient is φ = 106721266.

The previous prime is 106721261. The next prime is 106721273. The reversal of 106721267 is 762127601.

It is a balanced prime because it is at equal distance from previous prime (106721261) and next prime (106721273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106721267 is a prime.

It is a super-2 number, since 2×106721267² = 22778857660170578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106721261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53360633 + 53360634.

It is an arithmetic number, because the mean of its divisors is an integer number (53360634).

Almost surely, 2^106721267 is an apocalyptic number.

106721267 is a deficient number, since it is larger than the sum of its proper divisors (1).

106721267 is an equidigital number, since it uses as much as digits as its factorization.

106721267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 106721267 is about 10330.5985789789. The cubic root of 106721267 is about 474.3333466123. Note that the first 4 decimals are identical.

Adding to 106721267 its reverse (762127601), we get a palindrome (868848868).

The spelling of 106721267 in words is "one hundred six million, seven hundred twenty-one thousand, two hundred sixty-seven".