1154378063 has 2 divisors, whose sum is σ = 1154378064. Its totient is φ = 1154378062.

The previous prime is 1154378053. The next prime is 1154378087. The reversal of 1154378063 is 3608734511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3608734511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154378063 - 2¹⁴ = 1154361679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154378053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577189031 + 577189032.

It is an arithmetic number, because the mean of its divisors is an integer number (577189032).

Almost surely, 2^1154378063 is an apocalyptic number.

1154378063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154378063 is an equidigital number, since it uses as much as digits as its factorization.

1154378063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1154378063 is about 33976.1396129696. The cubic root of 1154378063 is about 1049.0173915534.

The spelling of 1154378063 in words is "one billion, one hundred fifty-four million, three hundred seventy-eight thousand, sixty-three".