127420026513 has 16 divisors (see below), whose sum is σ = 183118399296. Its totient is φ = 78345334080.

The previous prime is 127420026491. The next prime is 127420026599. The reversal of 127420026513 is 315620024721.

It is not a de Polignac number, because 127420026513 - 2¹³ = 127420018321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127420026913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349370 + ... + 1440707.

It is an arithmetic number, because the mean of its divisors is an integer number (11444899956).

Almost surely, 2^127420026513 is an apocalyptic number.

127420026513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

127420026513 is a deficient number, since it is larger than the sum of its proper divisors (55698372783).

127420026513 is a wasteful number, since it uses less digits than its factorization.

127420026513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791264.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 127420026513 in words is "one hundred twenty-seven billion, four hundred twenty million, twenty-six thousand, five hundred thirteen".