1202521264 has 80 divisors (see below), whose sum is σ = 2710326528. Its totient is φ = 506232576.

The previous prime is 1202521261. The next prime is 1202521289. The reversal of 1202521264 is 4621252021.

It is not an unprimeable number, because it can be changed into a prime (1202521261) 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, 2574759 + ... + 2575225.

Almost surely, 2^1202521264 is an apocalyptic number.

1202521264 is a gapful number since it is divisible by the number (14) 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 1202521264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355163264).

1202521264 is an abundant number, since it is smaller than the sum of its proper divisors (1507805264).

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

1202521264 is a wasteful number, since it uses less digits than its factorization.

1202521264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1202521264 is about 34677.3883676381. The cubic root of 1202521264 is about 1063.4022826746.

Adding to 1202521264 its reverse (4621252021), we get a palindrome (5823773285).

The spelling of 1202521264 in words is "one billion, two hundred two million, five hundred twenty-one thousand, two hundred sixty-four".