122203013 has 4 divisors (see below), whose sum is σ = 126416940. Its totient is φ = 117989088.

The previous prime is 122202973. The next prime is 122203027. The reversal of 122203013 is 310302221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310302221 = 401 ⋅773821.

It can be written as a sum of positive squares in 2 ways, for example, as 29138404 + 93064609 = 5398^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 122203013 - 2⁸ = 122202757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106920 + ... + 2106977.

It is an arithmetic number, because the mean of its divisors is an integer number (31604235).

Almost surely, 2^122203013 is an apocalyptic number.

It is an amenable number.

122203013 is a deficient number, since it is larger than the sum of its proper divisors (4213927).

122203013 is an equidigital number, since it uses as much as digits as its factorization.

122203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213926.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122203013 is about 11054.5471639502. The cubic root of 122203013 is about 496.2425173830.

Adding to 122203013 its reverse (310302221), we get a palindrome (432505234).

The spelling of 122203013 in words is "one hundred twenty-two million, two hundred three thousand, thirteen".