127251534436 has 12 divisors (see below), whose sum is σ = 239820199612. Its totient is φ = 58731477408.

The previous prime is 127251534359. The next prime is 127251534481. The reversal of 127251534436 is 634435152721.

It can be written as a sum of positive squares in 2 ways, for example, as 32492225536 + 94759308900 = 180256^2 + 307830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127251534392 and 127251534401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223572395 + ... + 1223572498.

Almost surely, 2^127251534436 is an apocalyptic number.

It is an amenable number.

127251534436 is a deficient number, since it is larger than the sum of its proper divisors (112568665176).

127251534436 is a wasteful number, since it uses less digits than its factorization.

127251534436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447144910 (or 2447144908 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 127251534436 in words is "one hundred twenty-seven billion, two hundred fifty-one million, five hundred thirty-four thousand, four hundred thirty-six".