1020144111 has 8 divisors (see below), whose sum is σ = 1554505344. Its totient is φ = 582939480.

The previous prime is 1020144079. The next prime is 1020144113. The reversal of 1020144111 is 1114410201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020144111 - 2⁵ = 1020144079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020144113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24289125 + ... + 24289166.

It is an arithmetic number, because the mean of its divisors is an integer number (194313168).

Almost surely, 2^1020144111 is an apocalyptic number.

1020144111 is a deficient number, since it is larger than the sum of its proper divisors (534361233).

1020144111 is an equidigital number, since it uses as much as digits as its factorization.

1020144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48578301.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1020144111 is about 31939.6949108785. The cubic root of 1020144111 is about 1006.6701143228.

Adding to 1020144111 its reverse (1114410201), we get a palindrome (2134554312).

The spelling of 1020144111 in words is "one billion, twenty million, one hundred forty-four thousand, one hundred eleven".