1301270880 has 384 divisors, whose sum is σ = 5213085696. Its totient is φ = 265697280.

The previous prime is 1301270819. The next prime is 1301270897. The reversal of 1301270880 is 880721031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41976465 + ... + 41976495.

It is an arithmetic number, because the mean of its divisors is an integer number (13575744).

Almost surely, 2^1301270880 is an apocalyptic number.

1301270880 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 1301270880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606542848).

1301270880 is an abundant number, since it is smaller than the sum of its proper divisors (3911814816).

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

1301270880 is an equidigital number, since it uses as much as digits as its factorization.

1301270880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1301270880 is about 36073.1323840889. The cubic root of 1301270880 is about 1091.7484157908.

The spelling of 1301270880 in words is "one billion, three hundred one million, two hundred seventy thousand, eight hundred eighty".