127269421 has 4 divisors (see below), whose sum is σ = 127413792. Its totient is φ = 127125052.

The previous prime is 127269413. The next prime is 127269427. The reversal of 127269421 is 124962721.

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.

It is a cyclic number.

It is not a de Polignac number, because 127269421 - 2³ = 127269413 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 (127269427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70855 + ... + 72628.

It is an arithmetic number, because the mean of its divisors is an integer number (31853448).

Almost surely, 2^127269421 is an apocalyptic number.

It is an amenable number.

127269421 is a deficient number, since it is larger than the sum of its proper divisors (144371).

127269421 is an equidigital number, since it uses as much as digits as its factorization.

127269421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144370.

The product of its digits is 12096, while the sum is 34.

The square root of 127269421 is about 11281.3749605268. The cubic root of 127269421 is about 503.0077650848.

The spelling of 127269421 in words is "one hundred twenty-seven million, two hundred sixty-nine thousand, four hundred twenty-one".