127305662273 has 16 divisors (see below), whose sum is σ = 138163430160. Its totient is φ = 116825702400.

The previous prime is 127305662269. The next prime is 127305662291. The reversal of 127305662273 is 372266503721.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40094224 + 127265568049 = 6332^2 + 356743^2 .

It is a cyclic number.

It is not a de Polignac number, because 127305662273 - 2² = 127305662269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127305662293) 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, 1146473 + ... + 1252601.

It is an arithmetic number, because the mean of its divisors is an integer number (8635214385).

Almost surely, 2^127305662273 is an apocalyptic number.

It is an amenable number.

127305662273 is a deficient number, since it is larger than the sum of its proper divisors (10857767887).

127305662273 is a wasteful number, since it uses less digits than its factorization.

127305662273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107908.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 127305662273 in words is "one hundred twenty-seven billion, three hundred five million, six hundred sixty-two thousand, two hundred seventy-three".