106122745 has 8 divisors (see below), whose sum is σ = 131738760. Its totient is φ = 81970560.

The previous prime is 106122739. The next prime is 106122749. The reversal of 106122745 is 547221601.

It can be written as a sum of positive squares in 4 ways, for example, as 12362256 + 93760489 = 3516^2 + 9683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106122745 - 2¹³ = 106114553 is a prime.

It is a super-2 number, since 2×106122745² = 22524074012670050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106122749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365796 + ... + 366085.

It is an arithmetic number, because the mean of its divisors is an integer number (16467345).

Almost surely, 2^106122745 is an apocalyptic number.

It is an amenable number.

106122745 is a deficient number, since it is larger than the sum of its proper divisors (25616015).

106122745 is an equidigital number, since it uses as much as digits as its factorization.

106122745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731915.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 106122745 is about 10301.5894404699. The cubic root of 106122745 is about 473.4449534529. Note that the first 3 decimals are identical.

The spelling of 106122745 in words is "one hundred six million, one hundred twenty-two thousand, seven hundred forty-five".