1154868427 has 2 divisors, whose sum is σ = 1154868428. Its totient is φ = 1154868426.

The previous prime is 1154868413. The next prime is 1154868437. The reversal of 1154868427 is 7248684511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7248684511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154868427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154868437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577434213 + 577434214.

It is an arithmetic number, because the mean of its divisors is an integer number (577434214).

Almost surely, 2^1154868427 is an apocalyptic number.

1154868427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154868427 is an equidigital number, since it uses as much as digits as its factorization.

1154868427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 46.

The square root of 1154868427 is about 33983.3551463066. The cubic root of 1154868427 is about 1049.1659066026.

The spelling of 1154868427 in words is "one billion, one hundred fifty-four million, eight hundred sixty-eight thousand, four hundred twenty-seven".