122103505 has 8 divisors (see below), whose sum is σ = 147334824. Its totient is φ = 97142400.

The previous prime is 122103497. The next prime is 122103511. The reversal of 122103505 is 505301221.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 122080401 = 152^2 + 11049^2 .

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

It is not a de Polignac number, because 122103505 - 2³ = 122103497 is a prime.

It is a Duffinian 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, 66556 + ... + 68365.

It is an arithmetic number, because the mean of its divisors is an integer number (18416853).

Almost surely, 2^122103505 is an apocalyptic number.

It is an amenable number.

122103505 is a deficient number, since it is larger than the sum of its proper divisors (25231319).

122103505 is a wasteful number, since it uses less digits than its factorization.

122103505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135107.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 122103505 is about 11050.0454750195. The cubic root of 122103505 is about 496.1077866361.

Adding to 122103505 its reverse (505301221), we get a palindrome (627404726).

The spelling of 122103505 in words is "one hundred twenty-two million, one hundred three thousand, five hundred five".