127040427 has 16 divisors (see below), whose sum is σ = 192800160. Its totient is φ = 82627200.

The previous prime is 127040423. The next prime is 127040429. The reversal of 127040427 is 724040721.

It is a happy number.

It is not a de Polignac number, because 127040427 - 2² = 127040423 is a prime.

It is a super-2 number, since 2×127040427² = 32278540184684658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 127040427.

It is not an unprimeable number, because it can be changed into a prime (127040423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56274 + ... + 58487.

It is an arithmetic number, because the mean of its divisors is an integer number (12050010).

Almost surely, 2^127040427 is an apocalyptic number.

127040427 is a deficient number, since it is larger than the sum of its proper divisors (65759733).

127040427 is a wasteful number, since it uses less digits than its factorization.

127040427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114811 (or 114805 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 127040427 is about 11271.2211849471. The cubic root of 127040427 is about 502.7058991367.

The spelling of 127040427 in words is "one hundred twenty-seven million, forty thousand, four hundred twenty-seven".