127142419 has 2 divisors, whose sum is σ = 127142420. Its totient is φ = 127142418.

The previous prime is 127142401. The next prime is 127142423. The reversal of 127142419 is 914241721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127142419 - 2⁷ = 127142291 is a prime.

It is a super-2 number, since 2×127142419² = 32330389418343122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127145419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63571209 + 63571210.

It is an arithmetic number, because the mean of its divisors is an integer number (63571210).

Almost surely, 2^127142419 is an apocalyptic number.

127142419 is a deficient number, since it is larger than the sum of its proper divisors (1).

127142419 is an equidigital number, since it uses as much as digits as its factorization.

127142419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 127142419 is about 11275.7447204165. The cubic root of 127142419 is about 502.8403924537.

The spelling of 127142419 in words is "one hundred twenty-seven million, one hundred forty-two thousand, four hundred nineteen".