127793231 has 8 divisors (see below), whose sum is σ = 131353200. Its totient is φ = 124280640.

The previous prime is 127793219. The next prime is 127793249. The reversal of 127793231 is 132397721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127793231 - 2¹⁸ = 127531087 is a prime.

It is a super-2 number, since 2×127793231² = 32662219778838722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127793191 and 127793200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127793261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (16419150).

Almost surely, 2^127793231 is an apocalyptic number.

127793231 is a deficient number, since it is larger than the sum of its proper divisors (3559969).

127793231 is an equidigital number, since it uses as much as digits as its factorization.

127793231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689.

The product of its digits is 15876, while the sum is 35.

The square root of 127793231 is about 11304.5668205376. The cubic root of 127793231 is about 503.6969063981.

The spelling of 127793231 in words is "one hundred twenty-seven million, seven hundred ninety-three thousand, two hundred thirty-one".