1301155080 has 128 divisors (see below), whose sum is σ = 4119724800. Its totient is φ = 328097792.

The previous prime is 1301155069. The next prime is 1301155081. The reversal of 1301155080 is 805511031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1301155080.

It is not an unprimeable number, because it can be changed into a prime (1301155081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242992 + ... + 248288.

It is an arithmetic number, because the mean of its divisors is an integer number (32185350).

Almost surely, 2^1301155080 is an apocalyptic number.

1301155080 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 1301155080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059862400).

1301155080 is an abundant number, since it is smaller than the sum of its proper divisors (2818569720).

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

1301155080 is a wasteful number, since it uses less digits than its factorization.

1301155080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1301155080 is about 36071.5272756783. The cubic root of 1301155080 is about 1091.7160299597.

The spelling of 1301155080 in words is "one billion, three hundred one million, one hundred fifty-five thousand, eighty".