1164123465 has 16 divisors (see below), whose sum is σ = 1865839488. Its totient is φ = 619785216.

The previous prime is 1164123461. The next prime is 1164123469. The reversal of 1164123465 is 5643214611.

It is an interprime number because it is at equal distance from previous prime (1164123461) and next prime (1164123469).

It is not a de Polignac number, because 1164123465 - 2² = 1164123461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164123461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58597 + ... + 75906.

It is an arithmetic number, because the mean of its divisors is an integer number (116614968).

Almost surely, 2^1164123465 is an apocalyptic number.

1164123465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164123465 is a deficient number, since it is larger than the sum of its proper divisors (701716023).

1164123465 is a wasteful number, since it uses less digits than its factorization.

1164123465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135088.

The product of its digits is 17280, while the sum is 33.

The square root of 1164123465 is about 34119.2535821052. The cubic root of 1164123465 is about 1051.9611013799.

The spelling of 1164123465 in words is "one billion, one hundred sixty-four million, one hundred twenty-three thousand, four hundred sixty-five".