127949371 has 4 divisors (see below), whose sum is σ = 139581144. Its totient is φ = 116317600.

The previous prime is 127949329. The next prime is 127949377. The reversal of 127949371 is 173949721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127949371 - 2⁹ = 127948859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127949377) 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, 5815870 + ... + 5815891.

It is an arithmetic number, because the mean of its divisors is an integer number (34895286).

Almost surely, 2^127949371 is an apocalyptic number.

127949371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

127949371 is a deficient number, since it is larger than the sum of its proper divisors (11631773).

127949371 is a wasteful number, since it uses less digits than its factorization.

127949371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631772.

The product of its digits is 95256, while the sum is 43.

The square root of 127949371 is about 11311.4707708591. The cubic root of 127949371 is about 503.9019647965.

The spelling of 127949371 in words is "one hundred twenty-seven million, nine hundred forty-nine thousand, three hundred seventy-one".