122101645 has 8 divisors (see below), whose sum is σ = 146596320. Its totient is φ = 97631760.

The previous prime is 122101607. The next prime is 122101669. The reversal of 122101645 is 546101221.

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

It is not a de Polignac number, because 122101645 - 2¹¹ = 122099597 is a prime.

It is a super-3 number, since 3×122101645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7330 + ... + 17260.

It is an arithmetic number, because the mean of its divisors is an integer number (18324540).

Almost surely, 2^122101645 is an apocalyptic number.

It is an amenable number.

122101645 is a deficient number, since it is larger than the sum of its proper divisors (24494675).

122101645 is an equidigital number, since it uses as much as digits as its factorization.

122101645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 122101645 is about 11049.9613121495. The cubic root of 122101645 is about 496.1052675570.

Adding to 122101645 its reverse (546101221), we get a palindrome (668202866).

The spelling of 122101645 in words is "one hundred twenty-two million, one hundred one thousand, six hundred forty-five".