1230684864 has 112 divisors (see below), whose sum is σ = 3364601856. Its totient is φ = 396748800.

The previous prime is 1230684863. The next prime is 1230684869. The reversal of 1230684864 is 4684860321.

It is not an unprimeable number, because it can be changed into a prime (1230684863) 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, 999129 + ... + 1000359.

It is an arithmetic number, because the mean of its divisors is an integer number (30041088).

Almost surely, 2^1230684864 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 1230684864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682300928).

1230684864 is an abundant number, since it is smaller than the sum of its proper divisors (2133916992).

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

1230684864 is a wasteful number, since it uses less digits than its factorization.

1230684864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1230684864 is about 35081.1183402126. The cubic root of 1230684864 is about 1071.6400922935.

The spelling of 1230684864 in words is "one billion, two hundred thirty million, six hundred eighty-four thousand, eight hundred sixty-four".