203122130 has 8 divisors (see below), whose sum is σ = 365619852. Its totient is φ = 81248848.

The previous prime is 203122121. The next prime is 203122147. The reversal of 203122130 is 31221302.

It is a happy number.

203122130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202863049 + 259081 = 14243^2 + 509^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10156097 + ... + 10156116.

Almost surely, 2^203122130 is an apocalyptic number.

203122130 is a deficient number, since it is larger than the sum of its proper divisors (162497722).

203122130 is a wasteful number, since it uses less digits than its factorization.

203122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312220.

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

The square root of 203122130 is about 14252.0921271230. The cubic root of 203122130 is about 587.8309033713.

Adding to 203122130 its reverse (31221302), we get a palindrome (234343432).

The spelling of 203122130 in words is "two hundred three million, one hundred twenty-two thousand, one hundred thirty".