1012432111 has 2 divisors, whose sum is σ = 1012432112. Its totient is φ = 1012432110.

The previous prime is 1012432103. The next prime is 1012432121. The reversal of 1012432111 is 1112342101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012432111 - 2³ = 1012432103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012432121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506216055 + 506216056.

It is an arithmetic number, because the mean of its divisors is an integer number (506216056).

Almost surely, 2^1012432111 is an apocalyptic number.

1012432111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012432111 is an equidigital number, since it uses as much as digits as its factorization.

1012432111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1012432111 is about 31818.7383627950. The cubic root of 1012432111 is about 1004.1269815927.

Adding to 1012432111 its reverse (1112342101), we get a palindrome (2124774212).

The spelling of 1012432111 in words is "one billion, twelve million, four hundred thirty-two thousand, one hundred eleven".