1302405252 has 48 divisors (see below), whose sum is σ = 3100773312. Its totient is φ = 425326720.

The previous prime is 1302405239. The next prime is 1302405257. The reversal of 1302405252 is 2525042031.

It is not an unprimeable number, because it can be changed into a prime (1302405257) 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, 692938 + ... + 694814.

It is an arithmetic number, because the mean of its divisors is an integer number (64599444).

Almost surely, 2^1302405252 is an apocalyptic number.

1302405252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302405252 is an abundant number, since it is smaller than the sum of its proper divisors (1798368060).

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

1302405252 is a wasteful number, since it uses less digits than its factorization.

1302405252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1302405252 is about 36088.8521845736. The cubic root of 1302405252 is about 1092.0655644998.

Adding to 1302405252 its reverse (2525042031), we get a palindrome (3827447283).

The spelling of 1302405252 in words is "one billion, three hundred two million, four hundred five thousand, two hundred fifty-two".