127193397 has 16 divisors (see below), whose sum is σ = 172381440. Its totient is φ = 83408832.

The previous prime is 127193387. The next prime is 127193419. The reversal of 127193397 is 793391721.

It is not a de Polignac number, because 127193397 - 2⁸ = 127193141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127193377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74283 + ... + 75975.

It is an arithmetic number, because the mean of its divisors is an integer number (10773840).

Almost surely, 2^127193397 is an apocalyptic number.

It is an amenable number.

127193397 is a deficient number, since it is larger than the sum of its proper divisors (45188043).

127193397 is a wasteful number, since it uses less digits than its factorization.

127193397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 71442, while the sum is 42.

The square root of 127193397 is about 11278.0050097524. The cubic root of 127193397 is about 502.9075884179.

The spelling of 127193397 in words is "one hundred twenty-seven million, one hundred ninety-three thousand, three hundred ninety-seven".