1306688124 has 96 divisors (see below), whose sum is σ = 3548446720. Its totient is φ = 366545088.

The previous prime is 1306688093. The next prime is 1306688143. The reversal of 1306688124 is 4218866031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1479387 + ... + 1480269.

Almost surely, 2^1306688124 is an apocalyptic number.

1306688124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306688124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774223360).

1306688124 is an abundant number, since it is smaller than the sum of its proper divisors (2241758596).

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

1306688124 is a wasteful number, since it uses less digits than its factorization.

1306688124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1306688124 is about 36148.1413630079. The cubic root of 1306688124 is about 1093.2613161054.

The spelling of 1306688124 in words is "one billion, three hundred six million, six hundred eighty-eight thousand, one hundred twenty-four".