1240111163 has 2 divisors, whose sum is σ = 1240111164. Its totient is φ = 1240111162.

The previous prime is 1240111153. The next prime is 1240111177. The reversal of 1240111163 is 3611110421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240111163 - 2¹⁶ = 1240045627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240111153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620055581 + 620055582.

It is an arithmetic number, because the mean of its divisors is an integer number (620055582).

Almost surely, 2^1240111163 is an apocalyptic number.

1240111163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240111163 is an equidigital number, since it uses as much as digits as its factorization.

1240111163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1240111163 is about 35215.2120964790. The cubic root of 1240111163 is about 1074.3691739361.

Adding to 1240111163 its reverse (3611110421), we get a palindrome (4851221584).

The spelling of 1240111163 in words is "one billion, two hundred forty million, one hundred eleven thousand, one hundred sixty-three".