1240130752 has 56 divisors (see below), whose sum is σ = 2816169120. Its totient is φ = 530780160.

The previous prime is 1240130747. The next prime is 1240130753. The reversal of 1240130752 is 2570310421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1240130753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474024 + ... + 476632.

Almost surely, 2^1240130752 is an apocalyptic number.

It is an amenable number.

1240130752 is an abundant number, since it is smaller than the sum of its proper divisors (1576038368).

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

1240130752 is a wasteful number, since it uses less digits than its factorization.

1240130752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1240130752 is about 35215.4902280232. The cubic root of 1240130752 is about 1074.3748308770.

The spelling of 1240130752 in words is "one billion, two hundred forty million, one hundred thirty thousand, seven hundred fifty-two".