203641042 has 8 divisors (see below), whose sum is σ = 333230832. Its totient is φ = 92564100.

The previous prime is 203641027. The next prime is 203641043. The reversal of 203641042 is 240146302.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9256411 = 203641042 / (2 + 0 + 3 + 6 + 4 + 1 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (203641043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628184 + ... + 4628227.

It is an arithmetic number, because the mean of its divisors is an integer number (41653854).

Almost surely, 2^203641042 is an apocalyptic number.

203641042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203641042 is a deficient number, since it is larger than the sum of its proper divisors (129589790).

203641042 is a wasteful number, since it uses less digits than its factorization.

203641042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256424.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 203641042 is about 14270.2852809606. The cubic root of 203641042 is about 588.3310509497.

Adding to 203641042 its reverse (240146302), we get a palindrome (443787344).

The spelling of 203641042 in words is "two hundred three million, six hundred forty-one thousand, forty-two".