1230717564 has 60 divisors (see below), whose sum is σ = 3228079624. Its totient is φ = 408869856.

The previous prime is 1230717563. The next prime is 1230717581. The reversal of 1230717564 is 4657170321.

It is a happy number.

1230717564 is a `hidden beast` number, since 1 + 23 + 0 + 71 + 7 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230717563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93282 + ... + 105654.

Almost surely, 2^1230717564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230717564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614039812).

1230717564 is an abundant number, since it is smaller than the sum of its proper divisors (1997362060).

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

1230717564 is a wasteful number, since it uses less digits than its factorization.

1230717564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1230717564 is about 35081.5843997959. The cubic root of 1230717564 is about 1071.6495835726.

Adding to 1230717564 its reverse (4657170321), we get a palindrome (5887887885).

The spelling of 1230717564 in words is "one billion, two hundred thirty million, seven hundred seventeen thousand, five hundred sixty-four".