1120164121 has 4 divisors (see below), whose sum is σ = 1158790500. Its totient is φ = 1081537744.

The previous prime is 1120164109. The next prime is 1120164131. The reversal of 1120164121 is 1214610211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 890186896 + 229977225 = 29836^2 + 15165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120164121 - 2¹¹ = 1120162073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120164131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19313146 + ... + 19313203.

It is an arithmetic number, because the mean of its divisors is an integer number (289697625).

Almost surely, 2^1120164121 is an apocalyptic number.

It is an amenable number.

1120164121 is a deficient number, since it is larger than the sum of its proper divisors (38626379).

1120164121 is an equidigital number, since it uses as much as digits as its factorization.

1120164121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38626378.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1120164121 is about 33468.8529979741. The cubic root of 1120164121 is about 1038.5495439239.

Adding to 1120164121 its reverse (1214610211), we get a palindrome (2334774332).

The spelling of 1120164121 in words is "one billion, one hundred twenty million, one hundred sixty-four thousand, one hundred twenty-one".