1202021296 has 40 divisors (see below), whose sum is σ = 2673400320. Its totient is φ = 512871744.

The previous prime is 1202021243. The next prime is 1202021297. The reversal of 1202021296 is 6921202021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202021296.

It is not an unprimeable number, because it can be changed into a prime (1202021297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785 + ... + 49063.

It is an arithmetic number, because the mean of its divisors is an integer number (66835008).

Almost surely, 2^1202021296 is an apocalyptic number.

1202021296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202021296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336700160).

1202021296 is an abundant number, since it is smaller than the sum of its proper divisors (1471379024).

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

1202021296 is a wasteful number, since it uses less digits than its factorization.

1202021296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47521 (or 47515 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1202021296 is about 34670.1787708111. The cubic root of 1202021296 is about 1063.2548865804.

The spelling of 1202021296 in words is "one billion, two hundred two million, twenty-one thousand, two hundred ninety-six".