111430141 has 2 divisors, whose sum is σ = 111430142. Its totient is φ = 111430140.

The previous prime is 111430129. The next prime is 111430171. The reversal of 111430141 is 141034111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 1390041 = 10490^2 + 1179^2 .

It is an emirp because it is prime and its reverse (141034111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111430141 - 2⁷ = 111430013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111430171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55715070 + 55715071.

It is an arithmetic number, because the mean of its divisors is an integer number (55715071).

Almost surely, 2^111430141 is an apocalyptic number.

It is an amenable number.

111430141 is a deficient number, since it is larger than the sum of its proper divisors (1).

111430141 is an equidigital number, since it uses as much as digits as its factorization.

111430141 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 111430141 is about 10556.0476031515. The cubic root of 111430141 is about 481.2095378136.

Adding to 111430141 its reverse (141034111), we get a palindrome (252464252).

The spelling of 111430141 in words is "one hundred eleven million, four hundred thirty thousand, one hundred forty-one".