1170144863 has 2 divisors, whose sum is σ = 1170144864. Its totient is φ = 1170144862.

The previous prime is 1170144827. The next prime is 1170144923. The reversal of 1170144863 is 3684410711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170144863 - 2¹² = 1170140767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1170144163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585072431 + 585072432.

It is an arithmetic number, because the mean of its divisors is an integer number (585072432).

Almost surely, 2^1170144863 is an apocalyptic number.

1170144863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170144863 is an equidigital number, since it uses as much as digits as its factorization.

1170144863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1170144863 is about 34207.3802416964. The cubic root of 1170144863 is about 1053.7717301906.

The spelling of 1170144863 in words is "one billion, one hundred seventy million, one hundred forty-four thousand, eight hundred sixty-three".