1245324800 has 240 divisors, whose sum is σ = 3356503920. Its totient is φ = 456130560.

The previous prime is 1245324791. The next prime is 1245324833. The reversal of 1245324800 is 84235421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12838352 + ... + 12838448.

It is an arithmetic number, because the mean of its divisors is an integer number (13985433).

Almost surely, 2^1245324800 is an apocalyptic number.

1245324800 is a gapful number since it is divisible by the number (10) 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 1245324800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678251960).

1245324800 is an abundant number, since it is smaller than the sum of its proper divisors (2111179120).

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

1245324800 is an equidigital number, since it uses as much as digits as its factorization.

1245324800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1245324800 is about 35289.1598086438. The cubic root of 1245324800 is about 1075.8726787893.

The spelling of 1245324800 in words is "one billion, two hundred forty-five million, three hundred twenty-four thousand, eight hundred".