1012320255 has 16 divisors (see below), whose sum is σ = 1675565280. Its totient is φ = 521286528.

The previous prime is 1012320251. The next prime is 1012320311. The reversal of 1012320255 is 5520232101.

It is not a de Polignac number, because 1012320255 - 2² = 1012320251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012320251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163152 + ... + 1164021.

It is an arithmetic number, because the mean of its divisors is an integer number (104722830).

Almost surely, 2^1012320255 is an apocalyptic number.

1012320255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012320255 is a deficient number, since it is larger than the sum of its proper divisors (663245025).

1012320255 is a wasteful number, since it uses less digits than its factorization.

1012320255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327210.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1012320255 is about 31816.9806078452. The cubic root of 1012320255 is about 1004.0900007545.

Adding to 1012320255 its reverse (5520232101), we get a palindrome (6532552356).

The spelling of 1012320255 in words is "one billion, twelve million, three hundred twenty thousand, two hundred fifty-five".