127478026140231 has 32 divisors (see below), whose sum is σ = 183426810271488. Its totient is φ = 78284557128960.

The previous prime is 127478026140193. The next prime is 127478026140233. The reversal of 127478026140231 is 132041620874721.

It is not a de Polignac number, because 127478026140231 - 2⁶ = 127478026140167 is a prime.

It is a super-2 number, since 2×127478026140231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127478026140233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438500835 + ... + 438791451.

It is an arithmetic number, because the mean of its divisors is an integer number (5732087820984).

Almost surely, 2^{127478026140231} is an apocalyptic number.

127478026140231 is a deficient number, since it is larger than the sum of its proper divisors (55948784131257).

127478026140231 is a wasteful number, since it uses less digits than its factorization.

127478026140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314031.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 127478026140231 in words is "one hundred twenty-seven trillion, four hundred seventy-eight billion, twenty-six million, one hundred forty thousand, two hundred thirty-one".