1141120399 has 2 divisors, whose sum is σ = 1141120400. Its totient is φ = 1141120398.

The previous prime is 1141120397. The next prime is 1141120403. The reversal of 1141120399 is 9930211411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141120399 - 2¹ = 1141120397 is a prime.

Together with 1141120397, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1141120399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141120397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570560199 + 570560200.

It is an arithmetic number, because the mean of its divisors is an integer number (570560200).

Almost surely, 2^1141120399 is an apocalyptic number.

1141120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141120399 is an equidigital number, since it uses as much as digits as its factorization.

1141120399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1141120399 is about 33780.4736349270. The cubic root of 1141120399 is about 1044.9860422577.

The spelling of 1141120399 in words is "one billion, one hundred forty-one million, one hundred twenty thousand, three hundred ninety-nine".