1300220085 has 32 divisors (see below), whose sum is σ = 2142443520. Its totient is φ = 672934400.

The previous prime is 1300220081. The next prime is 1300220099. The reversal of 1300220085 is 5800220031.

It is not a de Polignac number, because 1300220085 - 2² = 1300220081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300220081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111931 + ... + 122999.

It is an arithmetic number, because the mean of its divisors is an integer number (66951360).

Almost surely, 2^1300220085 is an apocalyptic number.

1300220085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1300220085 is a deficient number, since it is larger than the sum of its proper divisors (842223435).

1300220085 is a wasteful number, since it uses less digits than its factorization.

1300220085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1300220085 is about 36058.5646552938. The cubic root of 1300220085 is about 1091.4544691250.

The spelling of 1300220085 in words is "one billion, three hundred million, two hundred twenty thousand, eighty-five".