127420753 has 2 divisors, whose sum is σ = 127420754. Its totient is φ = 127420752.

The previous prime is 127420681. The next prime is 127420781. The reversal of 127420753 is 357024721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126967824 + 452929 = 11268^2 + 673^2 .

It is an emirp because it is prime and its reverse (357024721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127420753 is a prime.

It is a super-3 number, since 3×127420753³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (127420793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63710376 + 63710377.

It is an arithmetic number, because the mean of its divisors is an integer number (63710377).

Almost surely, 2^127420753 is an apocalyptic number.

It is an amenable number.

127420753 is a deficient number, since it is larger than the sum of its proper divisors (1).

127420753 is an equidigital number, since it uses as much as digits as its factorization.

127420753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 127420753 is about 11288.0801290565. The cubic root of 127420753 is about 503.2070562665.

The spelling of 127420753 in words is "one hundred twenty-seven million, four hundred twenty thousand, seven hundred fifty-three".