122013203 has 4 divisors (see below), whose sum is σ = 131398848. Its totient is φ = 112627560.

The previous prime is 122013173. The next prime is 122013211. The reversal of 122013203 is 302310221.

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: 302310221 = 757 ⋅399353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122013203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122013223) 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, 4692803 + ... + 4692828.

It is an arithmetic number, because the mean of its divisors is an integer number (32849712).

Almost surely, 2^122013203 is an apocalyptic number.

122013203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122013203 is a deficient number, since it is larger than the sum of its proper divisors (9385645).

122013203 is an equidigital number, since it uses as much as digits as its factorization.

122013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385644.

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

The square root of 122013203 is about 11045.9586727454. The cubic root of 122013203 is about 495.9854571590.

Adding to 122013203 its reverse (302310221), we get a palindrome (424323424).

The spelling of 122013203 in words is "one hundred twenty-two million, thirteen thousand, two hundred three".