1245764352 has 288 divisors, whose sum is σ = 4118349312. Its totient is φ = 326172672.

The previous prime is 1245764327. The next prime is 1245764363. The reversal of 1245764352 is 2534675421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245764352.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3929698 + ... + 3930014.

It is an arithmetic number, because the mean of its divisors is an integer number (14299824).

Almost surely, 2^1245764352 is an apocalyptic number.

1245764352 is a gapful number since it is divisible by the number (12) 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 1245764352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059174656).

1245764352 is an abundant number, since it is smaller than the sum of its proper divisors (2872584960).

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

1245764352 is a wasteful number, since it uses less digits than its factorization.

1245764352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 389 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 1245764352 is about 35295.3871206989. The cubic root of 1245764352 is about 1075.9992445281. Note that the first 3 decimals are identical.

The spelling of 1245764352 in words is "one billion, two hundred forty-five million, seven hundred sixty-four thousand, three hundred fifty-two".