127340477 has 4 divisors (see below), whose sum is σ = 138916896. Its totient is φ = 115764060.

The previous prime is 127340471. The next prime is 127340513. The reversal of 127340477 is 774043721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774043721 = 11 ⋅70367611.

It is a cyclic number.

It is not a de Polignac number, because 127340477 - 2¹⁰ = 127339453 is a prime.

It is a super-3 number, since 3×127340477³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127340471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5788193 + ... + 5788214.

It is an arithmetic number, because the mean of its divisors is an integer number (34729224).

Almost surely, 2^127340477 is an apocalyptic number.

It is an amenable number.

127340477 is a deficient number, since it is larger than the sum of its proper divisors (11576419).

127340477 is a wasteful number, since it uses less digits than its factorization.

127340477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576418.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 127340477 is about 11284.5237825971. The cubic root of 127340477 is about 503.1013593665.

The spelling of 127340477 in words is "one hundred twenty-seven million, three hundred forty thousand, four hundred seventy-seven".