122103013 has 4 divisors (see below), whose sum is σ = 122578380. Its totient is φ = 121627648.

The previous prime is 122102989. The next prime is 122103019. The reversal of 122103013 is 310301221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 53246209 = 8298^2 + 7297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122103013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102984 and 122103002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122103019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237298 + ... + 237811.

It is an arithmetic number, because the mean of its divisors is an integer number (30644595).

Almost surely, 2^122103013 is an apocalyptic number.

It is an amenable number.

122103013 is a deficient number, since it is larger than the sum of its proper divisors (475367).

122103013 is an equidigital number, since it uses as much as digits as its factorization.

122103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475366.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 122103013 is about 11050.0232126453. The cubic root of 122103013 is about 496.1071203016.

Adding to 122103013 its reverse (310301221), we get a palindrome (432404234).

The spelling of 122103013 in words is "one hundred twenty-two million, one hundred three thousand, thirteen".