127752461 has 2 divisors, whose sum is σ = 127752462. Its totient is φ = 127752460.

The previous prime is 127752437. The next prime is 127752481. The reversal of 127752461 is 164257721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127554436 + 198025 = 11294^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 127752461 - 2¹⁸ = 127490317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127752421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63876230 + 63876231.

It is an arithmetic number, because the mean of its divisors is an integer number (63876231).

Almost surely, 2^127752461 is an apocalyptic number.

It is an amenable number.

127752461 is a deficient number, since it is larger than the sum of its proper divisors (1).

127752461 is an equidigital number, since it uses as much as digits as its factorization.

127752461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 127752461 is about 11302.7634231634. The cubic root of 127752461 is about 503.6433357279.

The spelling of 127752461 in words is "one hundred twenty-seven million, seven hundred fifty-two thousand, four hundred sixty-one".