127137841 has 2 divisors, whose sum is σ = 127137842. Its totient is φ = 127137840.

The previous prime is 127137833. The next prime is 127137853. The reversal of 127137841 is 148731721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 102400 = 11271^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 127137841 - 2³ = 127137833 is a prime.

It is a super-2 number, since 2×127137841² = 32328061228282562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127137797 and 127137806.

It is not a weakly prime, because it can be changed into another prime (127137811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63568920 + 63568921.

It is an arithmetic number, because the mean of its divisors is an integer number (63568921).

Almost surely, 2^127137841 is an apocalyptic number.

It is an amenable number.

127137841 is a deficient number, since it is larger than the sum of its proper divisors (1).

127137841 is an equidigital number, since it uses as much as digits as its factorization.

127137841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 127137841 is about 11275.5417164764. The cubic root of 127137841 is about 502.8343571458.

The spelling of 127137841 in words is "one hundred twenty-seven million, one hundred thirty-seven thousand, eight hundred forty-one".