1164064121 has 4 divisors (see below), whose sum is σ = 1269888144. Its totient is φ = 1058240100.

The previous prime is 1164064091. The next prime is 1164064123. The reversal of 1164064121 is 1214604611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1164064121 - 2²² = 1159869817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164064123) 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, 52911995 + ... + 52912016.

It is an arithmetic number, because the mean of its divisors is an integer number (317472036).

Almost surely, 2^1164064121 is an apocalyptic number.

1164064121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1164064121 is a deficient number, since it is larger than the sum of its proper divisors (105824023).

1164064121 is a wasteful number, since it uses less digits than its factorization.

1164064121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105824022.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1164064121 is about 34118.3839154201. The cubic root of 1164064121 is about 1051.9432256585.

Adding to 1164064121 its reverse (1214604611), we get a palindrome (2378668732).

The spelling of 1164064121 in words is "one billion, one hundred sixty-four million, sixty-four thousand, one hundred twenty-one".