1154263427 has 2 divisors, whose sum is σ = 1154263428. Its totient is φ = 1154263426.

The previous prime is 1154263381. The next prime is 1154263469. The reversal of 1154263427 is 7243624511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7243624511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154263427 - 2¹² = 1154259331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154233427) 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, 577131713 + 577131714.

It is an arithmetic number, because the mean of its divisors is an integer number (577131714).

Almost surely, 2^1154263427 is an apocalyptic number.

1154263427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154263427 is an equidigital number, since it uses as much as digits as its factorization.

1154263427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 1154263427 is about 33974.4525636544. The cubic root of 1154263427 is about 1048.9826660325.

Adding to 1154263427 its reverse (7243624511), we get a palindrome (8397887938).

The spelling of 1154263427 in words is "one billion, one hundred fifty-four million, two hundred sixty-three thousand, four hundred twenty-seven".