1303220272 has 80 divisors (see below), whose sum is σ = 2724950592. Its totient is φ = 601620480.

The previous prime is 1303220231. The next prime is 1303220293. The reversal of 1303220272 is 2720223031.

It is an unprimeable number.

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, 5070768 + ... + 5071024.

Almost surely, 2^1303220272 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 1303220272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362475296).

1303220272 is an abundant number, since it is smaller than the sum of its proper divisors (1421730320).

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

1303220272 is a wasteful number, since it uses less digits than its factorization.

1303220272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1303220272 is about 36100.1422711878. The cubic root of 1303220272 is about 1092.2933148307.

The spelling of 1303220272 in words is "one billion, three hundred three million, two hundred twenty thousand, two hundred seventy-two".