1217094164 has 24 divisors (see below), whose sum is σ = 2502278688. Its totient is φ = 510668640.

The previous prime is 1217094113. The next prime is 1217094167. The reversal of 1217094164 is 4614907121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217094167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063322 + ... + 1064465.

It is an arithmetic number, because the mean of its divisors is an integer number (104261612).

Almost surely, 2^1217094164 is an apocalyptic number.

It is an amenable number.

1217094164 is an abundant number, since it is smaller than the sum of its proper divisors (1285184524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217094164 is a wasteful number, since it uses less digits than its factorization.

1217094164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127815 (or 2127813 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1217094164 is about 34886.8766730414. The cubic root of 1217094164 is about 1067.6807026628.

The spelling of 1217094164 in words is "one billion, two hundred seventeen million, ninety-four thousand, one hundred sixty-four".