127157825273 has 2 divisors, whose sum is σ = 127157825274. Its totient is φ = 127157825272.

The previous prime is 127157825251. The next prime is 127157825339. The reversal of 127157825273 is 372528751721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124684553449 + 2473271824 = 353107^2 + 49732^2 .

It is a cyclic number.

It is not a de Polignac number, because 127157825273 - 2⁶ = 127157825209 is a prime.

It is a super-2 number, since 2×127157825273² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127157815273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63578912636 + 63578912637.

It is an arithmetic number, because the mean of its divisors is an integer number (63578912637).

Almost surely, 2^127157825273 is an apocalyptic number.

It is an amenable number.

127157825273 is a deficient number, since it is larger than the sum of its proper divisors (1).

127157825273 is an equidigital number, since it uses as much as digits as its factorization.

127157825273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 50.

The spelling of 127157825273 in words is "one hundred twenty-seven billion, one hundred fifty-seven million, eight hundred twenty-five thousand, two hundred seventy-three".