203401027 has 2 divisors, whose sum is σ = 203401028. Its totient is φ = 203401026.

The previous prime is 203401021. The next prime is 203401031. The reversal of 203401027 is 720104302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203401027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203400995 and 203401013.

It is not a weakly prime, because it can be changed into another prime (203401021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101700513 + 101700514.

It is an arithmetic number, because the mean of its divisors is an integer number (101700514).

Almost surely, 2^203401027 is an apocalyptic number.

203401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

203401027 is an equidigital number, since it uses as much as digits as its factorization.

203401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 203401027 is about 14261.8731939391. The cubic root of 203401027 is about 588.0998208907.

Adding to 203401027 its reverse (720104302), we get a palindrome (923505329).

The spelling of 203401027 in words is "two hundred three million, four hundred one thousand, twenty-seven".