106220137 has 2 divisors, whose sum is σ = 106220138. Its totient is φ = 106220136.

The previous prime is 106220123. The next prime is 106220197. The reversal of 106220137 is 731022601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106007616 + 212521 = 10296^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 106220137 - 2¹¹ = 106218089 is a prime.

It is a super-2 number, since 2×106220137² = 22565435008597538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106220197) 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 as a sum of consecutive naturals, namely, 53110068 + 53110069.

It is an arithmetic number, because the mean of its divisors is an integer number (53110069).

Almost surely, 2^106220137 is an apocalyptic number.

It is an amenable number.

106220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

106220137 is an equidigital number, since it uses as much as digits as its factorization.

106220137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 106220137 is about 10306.3153939708. The cubic root of 106220137 is about 473.5897406760.

Adding to 106220137 its reverse (731022601), we get a palindrome (837242738).

The spelling of 106220137 in words is "one hundred six million, two hundred twenty thousand, one hundred thirty-seven".