1154378363 has 2 divisors, whose sum is σ = 1154378364. Its totient is φ = 1154378362.

The previous prime is 1154378299. The next prime is 1154378377. The reversal of 1154378363 is 3638734511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1154378363 - 2⁶ = 1154378299 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1154378363.

It is not a weakly prime, because it can be changed into another prime (1154378063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577189181 + 577189182.

It is an arithmetic number, because the mean of its divisors is an integer number (577189182).

Almost surely, 2^1154378363 is an apocalyptic number.

1154378363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154378363 is an equidigital number, since it uses as much as digits as its factorization.

1154378363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 1154378363 is about 33976.1440278322. The cubic root of 1154378363 is about 1049.0174824263.

The spelling of 1154378363 in words is "one billion, one hundred fifty-four million, three hundred seventy-eight thousand, three hundred sixty-three".