127324109 has 4 divisors (see below), whose sum is σ = 138899040. Its totient is φ = 115749180.

The previous prime is 127324103. The next prime is 127324117. The reversal of 127324109 is 901423721.

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: 901423721 = 11 ⋅81947611.

It is a cyclic number.

It is not a de Polignac number, because 127324109 - 2⁸ = 127323853 is a prime.

It is a super-2 number, since 2×127324109² = 32422857465287762, which contains 22 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 (127324103) 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, 5787449 + ... + 5787470.

It is an arithmetic number, because the mean of its divisors is an integer number (34724760).

Almost surely, 2^127324109 is an apocalyptic number.

It is an amenable number.

127324109 is a deficient number, since it is larger than the sum of its proper divisors (11574931).

127324109 is a wasteful number, since it uses less digits than its factorization.

127324109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574930.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 127324109 is about 11283.7985182296. The cubic root of 127324109 is about 503.0798026809.

The spelling of 127324109 in words is "one hundred twenty-seven million, three hundred twenty-four thousand, one hundred nine".