1164055123 has 24 divisors (see below), whose sum is σ = 1479861360. Its totient is φ = 905425920.

The previous prime is 1164055111. The next prime is 1164055129. The reversal of 1164055123 is 3215504611.

It is not a de Polignac number, because 1164055123 - 2⁵ = 1164055091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1164055091 and 1164055100.

It is not an unprimeable number, because it can be changed into a prime (1164055129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361143 + ... + 364351.

It is an arithmetic number, because the mean of its divisors is an integer number (61660890).

Almost surely, 2^1164055123 is an apocalyptic number.

1164055123 is a deficient number, since it is larger than the sum of its proper divisors (315806237).

1164055123 is a wasteful number, since it uses less digits than its factorization.

1164055123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1164055123 is about 34118.2520507719. The cubic root of 1164055123 is about 1051.9405152094.

Adding to 1164055123 its reverse (3215504611), we get a palindrome (4379559734).

The spelling of 1164055123 in words is "one billion, one hundred sixty-four million, fifty-five thousand, one hundred twenty-three".