127430315973 has 12 divisors (see below), whose sum is σ = 184074673068. Its totient is φ = 84949546560.

The previous prime is 127430315959. The next prime is 127430315977. The reversal of 127430315973 is 379513034721.

127430315973 is a `hidden beast` number, since 1 + 27 + 4 + 3 + 0 + 31 + 597 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74551933764 + 52878382209 = 273042^2 + 229953^2 .

It is not a de Polignac number, because 127430315973 - 2¹⁴ = 127430299589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127430315977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124338 + ... + 519923.

It is an arithmetic number, because the mean of its divisors is an integer number (15339556089).

Almost surely, 2^127430315973 is an apocalyptic number.

It is an amenable number.

127430315973 is a deficient number, since it is larger than the sum of its proper divisors (56644357095).

127430315973 is a wasteful number, since it uses less digits than its factorization.

127430315973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666244 (or 666241 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 127430315973 in words is "one hundred twenty-seven billion, four hundred thirty million, three hundred fifteen thousand, nine hundred seventy-three".