127240752364240 has 20 divisors (see below), whose sum is σ = 295834749247044. Its totient is φ = 50896300945664.

The previous prime is 127240752364237. The next prime is 127240752364261. The reversal of 127240752364240 is 42463257042721.

127240752364240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43011089024656 + 84229663339584 = 6558284^2 + 9177672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795254702197 + ... + 795254702356.

Almost surely, 2^{127240752364240} is an apocalyptic number.

127240752364240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127240752364240 is an abundant number, since it is smaller than the sum of its proper divisors (168593996882804).

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

127240752364240 is a wasteful number, since it uses less digits than its factorization.

127240752364240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590509404566 (or 1590509404560 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 127240752364240 in words is "one hundred twenty-seven trillion, two hundred forty billion, seven hundred fifty-two million, three hundred sixty-four thousand, two hundred forty".