127142849 has 12 divisors (see below), whose sum is σ = 132193152. Its totient is φ = 122229360.

The previous prime is 127142797. The next prime is 127142863. The reversal of 127142849 is 948241721.

It is a happy number.

It is not a de Polignac number, because 127142849 - 2⁸ = 127142593 is a prime.

It is a Duffinian number.

Its product of digits (32256) is a multiple of the sum of its prime factors (896).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127142549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174524 + ... + 175250.

It is an arithmetic number, because the mean of its divisors is an integer number (11016096).

Almost surely, 2^127142849 is an apocalyptic number.

It is an amenable number.

127142849 is a deficient number, since it is larger than the sum of its proper divisors (5050303).

127142849 is an frugal number, since it uses more digits than its factorization.

127142849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 835 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 127142849 is about 11275.7637878771. The cubic root of 127142849 is about 502.8409593275.

The spelling of 127142849 in words is "one hundred twenty-seven million, one hundred forty-two thousand, eight hundred forty-nine".