127403716256 has 12 divisors (see below), whose sum is σ = 250826066442. Its totient is φ = 63701858112.

The previous prime is 127403716241. The next prime is 127403716261. The reversal of 127403716256 is 652617304721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86720826256 + 40682890000 = 294484^2 + 201700^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990683035 + ... + 1990683098.

Almost surely, 2^127403716256 is an apocalyptic number.

127403716256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127403716256 is a deficient number, since it is larger than the sum of its proper divisors (123422350186).

127403716256 is an equidigital number, since it uses as much as digits as its factorization.

127403716256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981366143 (or 3981366135 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 127403716256 in words is "one hundred twenty-seven billion, four hundred three million, seven hundred sixteen thousand, two hundred fifty-six".