127925849 has 2 divisors, whose sum is σ = 127925850. Its totient is φ = 127925848.

The previous prime is 127925797. The next prime is 127925881. The reversal of 127925849 is 948529721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90630400 + 37295449 = 9520^2 + 6107^2 .

It is a cyclic number.

It is not a de Polignac number, because 127925849 - 2²⁴ = 111148633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127925549) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63962924 + 63962925.

It is an arithmetic number, because the mean of its divisors is an integer number (63962925).

Almost surely, 2^127925849 is an apocalyptic number.

It is an amenable number.

127925849 is a deficient number, since it is larger than the sum of its proper divisors (1).

127925849 is an equidigital number, since it uses as much as digits as its factorization.

127925849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 127925849 is about 11310.4309820625. The cubic root of 127925849 is about 503.8710840705.

The spelling of 127925849 in words is "one hundred twenty-seven million, nine hundred twenty-five thousand, eight hundred forty-nine".