127084397 has 4 divisors (see below), whose sum is σ = 138637536. Its totient is φ = 115531260.

The previous prime is 127084357. The next prime is 127084429. The reversal of 127084397 is 793480721.

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: 793480721 = 11 ⋅72134611.

It is a cyclic number.

It is not a de Polignac number, because 127084397 - 2¹⁰ = 127083373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127084357) 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, 5776553 + ... + 5776574.

It is an arithmetic number, because the mean of its divisors is an integer number (34659384).

Almost surely, 2^127084397 is an apocalyptic number.

It is an amenable number.

127084397 is a deficient number, since it is larger than the sum of its proper divisors (11553139).

127084397 is a wasteful number, since it uses less digits than its factorization.

127084397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553138.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 127084397 is about 11273.1715590600. The cubic root of 127084397 is about 502.7638896763.

The spelling of 127084397 in words is "one hundred twenty-seven million, eighty-four thousand, three hundred ninety-seven".