1245046752 has 72 divisors (see below), whose sum is σ = 3544127496. Its totient is φ = 414602496.

The previous prime is 1245046717. The next prime is 1245046753. The reversal of 1245046752 is 2576405421.

It is a happy number.

1245046752 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245046753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458583 + ... + 461289.

It is an arithmetic number, because the mean of its divisors is an integer number (49223993).

Almost surely, 2^1245046752 is an apocalyptic number.

1245046752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245046752 is an abundant number, since it is smaller than the sum of its proper divisors (2299080744).

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

1245046752 is a wasteful number, since it uses less digits than its factorization.

1245046752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320 (or 4309 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1245046752 is about 35285.2200219865. The cubic root of 1245046752 is about 1075.7926015508.

The spelling of 1245046752 in words is "one billion, two hundred forty-five million, forty-six thousand, seven hundred fifty-two".