127157105226 has 16 divisors (see below), whose sum is σ = 260228494944. Its totient is φ = 41399987664.

The previous prime is 127157105197. The next prime is 127157105297. The reversal of 127157105226 is 622501751721.

It is a super-2 number, since 2×127157105226² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246428241 + ... + 246428756.

It is an arithmetic number, because the mean of its divisors is an integer number (16264280934).

Almost surely, 2^127157105226 is an apocalyptic number.

127157105226 is an abundant number, since it is smaller than the sum of its proper divisors (133071389718).

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

127157105226 is a wasteful number, since it uses less digits than its factorization.

127157105226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492857045.

The product of its (nonzero) digits is 58800, while the sum is 39.

Adding to 127157105226 its reverse (622501751721), we get a palindrome (749658856947).

The spelling of 127157105226 in words is "one hundred twenty-seven billion, one hundred fifty-seven million, one hundred five thousand, two hundred twenty-six".