1320452250 has 64 divisors (see below), whose sum is σ = 3549401856. Its totient is φ = 325032000.

The previous prime is 1320452239. The next prime is 1320452261. The reversal of 1320452250 is 522540231.

It is an interprime number because it is at equal distance from previous prime (1320452239) and next prime (1320452261).

It is a self number, because there is not a number n which added to its sum of digits gives 1320452250.

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 31 ways as a sum of consecutive naturals, for example, 57966 + ... + 77465.

It is an arithmetic number, because the mean of its divisors is an integer number (55459404).

Almost surely, 2^1320452250 is an apocalyptic number.

1320452250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320452250 is an abundant number, since it is smaller than the sum of its proper divisors (2228949606).

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

1320452250 is a wasteful number, since it uses less digits than its factorization.

1320452250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135464 (or 135454 counting only the distinct ones).

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

The square root of 1320452250 is about 36338.0276019489. The cubic root of 1320452250 is about 1097.0865741498.

Adding to 1320452250 its reverse (522540231), we get a palindrome (1842992481).

The spelling of 1320452250 in words is "one billion, three hundred twenty million, four hundred fifty-two thousand, two hundred fifty".