764115121 has 16 divisors (see below), whose sum is σ = 960547968. Its totient is φ = 595407120.

The previous prime is 764115091. The next prime is 764115127. The reversal of 764115121 is 121511467.

It is not a de Polignac number, because 764115121 - 2¹¹ = 764113073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 764115121.

It is not an unprimeable number, because it can be changed into a prime (764115127) 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, 31690 + ... + 50323.

It is an arithmetic number, because the mean of its divisors is an integer number (60034248).

Almost surely, 2^764115121 is an apocalyptic number.

It is an amenable number.

764115121 is a deficient number, since it is larger than the sum of its proper divisors (196432847).

764115121 is an equidigital number, since it uses as much as digits as its factorization.

764115121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82053 (or 82031 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 764115121 is about 27642.6323095323. The cubic root of 764115121 is about 914.2246593611.

Adding to 764115121 its reverse (121511467), we get a palindrome (885626588).

The spelling of 764115121 in words is "seven hundred sixty-four million, one hundred fifteen thousand, one hundred twenty-one".