127522061 has 2 divisors, whose sum is σ = 127522062. Its totient is φ = 127522060.

The previous prime is 127522039. The next prime is 127522063. The reversal of 127522061 is 160225721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 4866436 = 11075^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 127522061 - 2⁶ = 127521997 is a prime.

Together with 127522063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127522061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127522063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63761030 + 63761031.

It is an arithmetic number, because the mean of its divisors is an integer number (63761031).

Almost surely, 2^127522061 is an apocalyptic number.

It is an amenable number.

127522061 is a deficient number, since it is larger than the sum of its proper divisors (1).

127522061 is an equidigital number, since it uses as much as digits as its factorization.

127522061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 127522061 is about 11292.5666258827. The cubic root of 127522061 is about 503.3403819995.

Adding to 127522061 its reverse (160225721), we get a palindrome (287747782).

The spelling of 127522061 in words is "one hundred twenty-seven million, five hundred twenty-two thousand, sixty-one".