1302400252 has 24 divisors (see below), whose sum is σ = 2304569232. Its totient is φ = 643968000.

The previous prime is 1302400213. The next prime is 1302400261. The reversal of 1302400252 is 2520042031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471708 + ... + 474460.

It is an arithmetic number, because the mean of its divisors is an integer number (96023718).

Almost surely, 2^1302400252 is an apocalyptic number.

It is an amenable number.

1302400252 is a deficient number, since it is larger than the sum of its proper divisors (1002168980).

1302400252 is a wasteful number, since it uses less digits than its factorization.

1302400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1302400252 is about 36088.7829110376. The cubic root of 1302400252 is about 1092.0641669996.

Adding to 1302400252 its reverse (2520042031), we get a palindrome (3822442283).

The spelling of 1302400252 in words is "one billion, three hundred two million, four hundred thousand, two hundred fifty-two".