127972119 has 8 divisors (see below), whose sum is σ = 186141312. Its totient is φ = 77558840.

The previous prime is 127972109. The next prime is 127972129. The reversal of 127972119 is 911279721.

It is an interprime number because it is at equal distance from previous prime (127972109) and next prime (127972129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127972119 - 2¹¹ = 127970071 is a prime.

It is a super-2 number, since 2×127972119² = 32753726482700322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127972109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938939 + ... + 1939004.

It is an arithmetic number, because the mean of its divisors is an integer number (23267664).

Almost surely, 2^127972119 is an apocalyptic number.

127972119 is a deficient number, since it is larger than the sum of its proper divisors (58169193).

127972119 is a wasteful number, since it uses less digits than its factorization.

127972119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877957.

The product of its digits is 15876, while the sum is 39.

The square root of 127972119 is about 11312.4762541187. The cubic root of 127972119 is about 503.9318257813.

The spelling of 127972119 in words is "one hundred twenty-seven million, nine hundred seventy-two thousand, one hundred nineteen".