1301275560 has 64 divisors (see below), whose sum is σ = 4204126080. Its totient is φ = 320313600.

The previous prime is 1301275537. The next prime is 1301275567. The reversal of 1301275560 is 655721031.

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

It is not an unprimeable number, because it can be changed into a prime (1301275567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415516 + ... + 418635.

It is an arithmetic number, because the mean of its divisors is an integer number (65689470).

Almost surely, 2^1301275560 is an apocalyptic number.

1301275560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301275560 is an abundant number, since it is smaller than the sum of its proper divisors (2902850520).

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

1301275560 is a wasteful number, since it uses less digits than its factorization.

1301275560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834178 (or 834174 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1301275560 is about 36073.1972522536. The cubic root of 1301275560 is about 1091.7497246079.

Adding to 1301275560 its reverse (655721031), we get a palindrome (1956996591).

The spelling of 1301275560 in words is "one billion, three hundred one million, two hundred seventy-five thousand, five hundred sixty".