122102765 has 8 divisors (see below), whose sum is σ = 146843928. Its totient is φ = 97468480.

The previous prime is 122102741. The next prime is 122102777. The reversal of 122102765 is 567201221.

It can be written as a sum of positive squares in 4 ways, for example, as 23755876 + 98346889 = 4874^2 + 9917^2 .

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

It is not a de Polignac number, because 122102765 - 2¹⁶ = 122037229 is a prime.

It is a Duffinian number.

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, 24182 + ... + 28791.

It is an arithmetic number, because the mean of its divisors is an integer number (18355491).

Almost surely, 2^122102765 is an apocalyptic number.

It is an amenable number.

122102765 is a deficient number, since it is larger than the sum of its proper divisors (24741163).

122102765 is an equidigital number, since it uses as much as digits as its factorization.

122102765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53439.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 122102765 is about 11050.0119909437. The cubic root of 122102765 is about 496.1067844249.

Adding to 122102765 its reverse (567201221), we get a palindrome (689303986).

The spelling of 122102765 in words is "one hundred twenty-two million, one hundred two thousand, seven hundred sixty-five".