203124641 has 2 divisors, whose sum is σ = 203124642. Its totient is φ = 203124640.

The previous prime is 203124629. The next prime is 203124643. The reversal of 203124641 is 146421302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136212241 + 66912400 = 11671^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 203124641 - 2⁶ = 203124577 is a prime.

Together with 203124643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203124643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101562320 + 101562321.

It is an arithmetic number, because the mean of its divisors is an integer number (101562321).

Almost surely, 2^203124641 is an apocalyptic number.

It is an amenable number.

203124641 is a deficient number, since it is larger than the sum of its proper divisors (1).

203124641 is an equidigital number, since it uses as much as digits as its factorization.

203124641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 203124641 is about 14252.1802191805. The cubic root of 203124641 is about 587.8333256206.

Adding to 203124641 its reverse (146421302), we get a palindrome (349545943).

The spelling of 203124641 in words is "two hundred three million, one hundred twenty-four thousand, six hundred forty-one".