1141497187 has 2 divisors, whose sum is σ = 1141497188. Its totient is φ = 1141497186.

The previous prime is 1141497169. The next prime is 1141497193. The reversal of 1141497187 is 7817941411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141497187 - 2¹¹ = 1141495139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141497127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570748593 + 570748594.

It is an arithmetic number, because the mean of its divisors is an integer number (570748594).

Almost surely, 2^1141497187 is an apocalyptic number.

1141497187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141497187 is an equidigital number, since it uses as much as digits as its factorization.

1141497187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 43.

The square root of 1141497187 is about 33786.0501834707. The cubic root of 1141497187 is about 1045.1010446924.

The spelling of 1141497187 in words is "one billion, one hundred forty-one million, four hundred ninety-seven thousand, one hundred eighty-seven".