1164123929 has 2 divisors, whose sum is σ = 1164123930. Its totient is φ = 1164123928.

The previous prime is 1164123911. The next prime is 1164123949. The reversal of 1164123929 is 9293214611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112355904 + 51768025 = 33352^2 + 7195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164123929 - 2²⁸ = 895688473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1164123892 and 1164123901.

It is not a weakly prime, because it can be changed into another prime (1164123949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582061964 + 582061965.

It is an arithmetic number, because the mean of its divisors is an integer number (582061965).

Almost surely, 2^1164123929 is an apocalyptic number.

It is an amenable number.

1164123929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164123929 is an equidigital number, since it uses as much as digits as its factorization.

1164123929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 1164123929 is about 34119.2603817844. The cubic root of 1164123929 is about 1051.9612411446.

The spelling of 1164123929 in words is "one billion, one hundred sixty-four million, one hundred twenty-three thousand, nine hundred twenty-nine".