1306857048 has 192 divisors, whose sum is σ = 4062960000. Its totient is φ = 348042240.

The previous prime is 1306857037. The next prime is 1306857053. The reversal of 1306857048 is 8407586031.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2618703 + ... + 2619201.

It is an arithmetic number, because the mean of its divisors is an integer number (21161250).

Almost surely, 2^1306857048 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 1306857048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031480000).

1306857048 is an abundant number, since it is smaller than the sum of its proper divisors (2756102952).

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

1306857048 is a wasteful number, since it uses less digits than its factorization.

1306857048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1306857048 is about 36150.4778391656. The cubic root of 1306857048 is about 1093.3084250555.

The spelling of 1306857048 in words is "one billion, three hundred six million, eight hundred fifty-seven thousand, forty-eight".