127242119 has 2 divisors, whose sum is σ = 127242120. Its totient is φ = 127242118.

The previous prime is 127242109. The next prime is 127242253. The reversal of 127242119 is 911242721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127242119 - 2¹⁶ = 127176583 is a prime.

It is a super-2 number, since 2×127242119² = 32381113695220322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127242091 and 127242100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127242109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63621059 + 63621060.

It is an arithmetic number, because the mean of its divisors is an integer number (63621060).

Almost surely, 2^127242119 is an apocalyptic number.

127242119 is a deficient number, since it is larger than the sum of its proper divisors (1).

127242119 is an equidigital number, since it uses as much as digits as its factorization.

127242119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 127242119 is about 11280.1648480862. The cubic root of 127242119 is about 502.9717938881.

The spelling of 127242119 in words is "one hundred twenty-seven million, two hundred forty-two thousand, one hundred nineteen".