1141120247 has 2 divisors, whose sum is σ = 1141120248. Its totient is φ = 1141120246.

The previous prime is 1141120231. The next prime is 1141120289. The reversal of 1141120247 is 7420211411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141120247 - 2⁴ = 1141120231 is a prime.

It is a super-2 number, since 2×1141120247² = 2604310836226682018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570560123 + 570560124.

It is an arithmetic number, because the mean of its divisors is an integer number (570560124).

Almost surely, 2^1141120247 is an apocalyptic number.

1141120247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141120247 is an equidigital number, since it uses as much as digits as its factorization.

1141120247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1141120247 is about 33780.4713851065. The cubic root of 1141120247 is about 1044.9859958594.

Adding to 1141120247 its reverse (7420211411), we get a palindrome (8561331658).

The spelling of 1141120247 in words is "one billion, one hundred forty-one million, one hundred twenty thousand, two hundred forty-seven".