127960720 has 20 divisors (see below), whose sum is σ = 297508860. Its totient is φ = 51184256.

The previous prime is 127960697. The next prime is 127960727. The reversal of 127960720 is 27069721.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 100962304 = 5196^2 + 10048^2 .

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

It is not an unprimeable number, because it can be changed into a prime (127960727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799675 + ... + 799834.

It is an arithmetic number, because the mean of its divisors is an integer number (14875443).

Almost surely, 2^127960720 is an apocalyptic number.

127960720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127960720 is an abundant number, since it is smaller than the sum of its proper divisors (169548140).

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

127960720 is a wasteful number, since it uses less digits than its factorization.

127960720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599522 (or 1599516 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 127960720 is about 11311.9724186368. The cubic root of 127960720 is about 503.9168629141.

The spelling of 127960720 in words is "one hundred twenty-seven million, nine hundred sixty thousand, seven hundred twenty".