403142111 has 2 divisors, whose sum is σ = 403142112. Its totient is φ = 403142110.

The previous prime is 403142099. The next prime is 403142123. The reversal of 403142111 is 111241304.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (403142099) and next prime (403142123).

It is a cyclic number.

It is not a de Polignac number, because 403142111 - 2¹⁰ = 403141087 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403142111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403142161) 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 as a sum of consecutive naturals, namely, 201571055 + 201571056.

It is an arithmetic number, because the mean of its divisors is an integer number (201571056).

Almost surely, 2^403142111 is an apocalyptic number.

403142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

403142111 is an equidigital number, since it uses as much as digits as its factorization.

403142111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 403142111 is about 20078.3991144713. The cubic root of 403142111 is about 738.7305426510.

Adding to 403142111 its reverse (111241304), we get a palindrome (514383415).

The spelling of 403142111 in words is "four hundred three million, one hundred forty-two thousand, one hundred eleven".