1114145191 has 2 divisors, whose sum is σ = 1114145192. Its totient is φ = 1114145190.

The previous prime is 1114145173. The next prime is 1114145243. The reversal of 1114145191 is 1915414111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1114145191 - 2¹³ = 1114136999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114145101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557072595 + 557072596.

It is an arithmetic number, because the mean of its divisors is an integer number (557072596).

Almost surely, 2^1114145191 is an apocalyptic number.

1114145191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114145191 is an equidigital number, since it uses as much as digits as its factorization.

1114145191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 28.

The square root of 1114145191 is about 33378.8135049765. The cubic root of 1114145191 is about 1036.6860709944.

The spelling of 1114145191 in words is "one billion, one hundred fourteen million, one hundred forty-five thousand, one hundred ninety-one".