203120122 has 8 divisors (see below), whose sum is σ = 314508672. Its totient is φ = 98283900.

The previous prime is 203120119. The next prime is 203120129. The reversal of 203120122 is 221021302.

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

It is a super-2 number, since 2×203120122² = 82515567922589768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638004 + ... + 1638127.

It is an arithmetic number, because the mean of its divisors is an integer number (39313584).

Almost surely, 2^203120122 is an apocalyptic number.

203120122 is a deficient number, since it is larger than the sum of its proper divisors (111388550).

203120122 is a wasteful number, since it uses less digits than its factorization.

203120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276164.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 203120122 is about 14252.0216811511. The cubic root of 203120122 is about 587.8289663292.

Adding to 203120122 its reverse (221021302), we get a palindrome (424141424).

The spelling of 203120122 in words is "two hundred three million, one hundred twenty thousand, one hundred twenty-two".