127054661 has 2 divisors, whose sum is σ = 127054662. Its totient is φ = 127054660.

The previous prime is 127054649. The next prime is 127054699. The reversal of 127054661 is 166450721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123632161 + 3422500 = 11119^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 127054661 - 2¹⁸ = 126792517 is a prime.

It is a super-2 number, since 2×127054661² = 32285773763649842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127054561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63527330 + 63527331.

It is an arithmetic number, because the mean of its divisors is an integer number (63527331).

Almost surely, 2^127054661 is an apocalyptic number.

It is an amenable number.

127054661 is a deficient number, since it is larger than the sum of its proper divisors (1).

127054661 is an equidigital number, since it uses as much as digits as its factorization.

127054661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 127054661 is about 11271.8525983975. The cubic root of 127054661 is about 502.7246733403.

The spelling of 127054661 in words is "one hundred twenty-seven million, fifty-four thousand, six hundred sixty-one".