1302256680 has 128 divisors (see below), whose sum is σ = 4055546880. Its totient is φ = 334172160.

The previous prime is 1302256663. The next prime is 1302256727. The reversal of 1302256680 is 866522031.

1302256680 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 731952 + ... + 733728.

It is an arithmetic number, because the mean of its divisors is an integer number (31683960).

Almost surely, 2^1302256680 is an apocalyptic number.

1302256680 is a gapful number since it is divisible by the number (10) 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 1302256680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027773440).

1302256680 is an abundant number, since it is smaller than the sum of its proper divisors (2753290200).

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

1302256680 is a wasteful number, since it uses less digits than its factorization.

1302256680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1302256680 is about 36086.7937062854. The cubic root of 1302256680 is about 1092.0240370938.

The spelling of 1302256680 in words is "one billion, three hundred two million, two hundred fifty-six thousand, six hundred eighty".