127265152946 has 4 divisors (see below), whose sum is σ = 190897729422. Its totient is φ = 63632576472.

The previous prime is 127265152943. The next prime is 127265152951. The reversal of 127265152946 is 649251562721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649251562721 = 37 ⋅17547339533.

It can be written as a sum of positive squares in only one way, i.e., 84068103025 + 43197049921 = 289945^2 + 207839^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 127265152894 and 127265152903.

It is not an unprimeable number, because it can be changed into a prime (127265152943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31816288235 + ... + 31816288238.

Almost surely, 2^127265152946 is an apocalyptic number.

127265152946 is a deficient number, since it is larger than the sum of its proper divisors (63632576476).

127265152946 is an equidigital number, since it uses as much as digits as its factorization.

127265152946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63632576475.

The product of its digits is 1814400, while the sum is 50.

The spelling of 127265152946 in words is "one hundred twenty-seven billion, two hundred sixty-five million, one hundred fifty-two thousand, nine hundred forty-six".