1020134111 has 8 divisors (see below), whose sum is σ = 1120513920. Its totient is φ = 924423192.

The previous prime is 1020134099. The next prime is 1020134153. The reversal of 1020134111 is 1114310201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020134111 - 2¹⁴ = 1020117727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020134411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166765 + ... + 1167638.

It is an arithmetic number, because the mean of its divisors is an integer number (140064240).

Almost surely, 2^1020134111 is an apocalyptic number.

1020134111 is a deficient number, since it is larger than the sum of its proper divisors (100379809).

1020134111 is a wasteful number, since it uses less digits than its factorization.

1020134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334445.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1020134111 is about 31939.5383654805. The cubic root of 1020134111 is about 1006.6668250052. Note that the first 3 decimals are identical.

Adding to 1020134111 its reverse (1114310201), we get a palindrome (2134444312).

The spelling of 1020134111 in words is "one billion, twenty million, one hundred thirty-four thousand, one hundred eleven".