1146217329 has 6 divisors (see below), whose sum is σ = 1655647266. Its totient is φ = 764144880.

The previous prime is 1146217327. The next prime is 1146217393. The reversal of 1146217329 is 9237126411.

1146217329 is a `hidden beast` number, since 1 + 1 + 4 + 621 + 7 + 3 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 584527329 + 561690000 = 24177^2 + 23700^2 .

It is not a de Polignac number, because 1146217329 - 2¹ = 1146217327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146217293 and 1146217302.

It is not an unprimeable number, because it can be changed into a prime (1146217327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63678732 + ... + 63678749.

It is an arithmetic number, because the mean of its divisors is an integer number (275941211).

Almost surely, 2^1146217329 is an apocalyptic number.

It is an amenable number.

1146217329 is a deficient number, since it is larger than the sum of its proper divisors (509429937).

1146217329 is a wasteful number, since it uses less digits than its factorization.

1146217329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127357487 (or 127357484 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1146217329 is about 33855.8315360884. The cubic root of 1146217329 is about 1046.5395769234.

The spelling of 1146217329 in words is "one billion, one hundred forty-six million, two hundred seventeen thousand, three hundred twenty-nine".