1303422512 has 80 divisors (see below), whose sum is σ = 3026472960. Its totient is φ = 531691776.

The previous prime is 1303422511. The next prime is 1303422517. The reversal of 1303422512 is 2152243031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1303422511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573314 + ... + 575582.

It is an arithmetic number, because the mean of its divisors is an integer number (37830912).

Almost surely, 2^1303422512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303422512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513236480).

1303422512 is an abundant number, since it is smaller than the sum of its proper divisors (1723050448).

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

1303422512 is a wasteful number, since it uses less digits than its factorization.

1303422512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1303422512 is about 36102.9432595183. The cubic root of 1303422512 is about 1092.3498143544.

Adding to 1303422512 its reverse (2152243031), we get a palindrome (3455665543).

The spelling of 1303422512 in words is "one billion, three hundred three million, four hundred twenty-two thousand, five hundred twelve".