1271423 has 8 divisors (see below), whose sum is σ = 1361520. Its totient is φ = 1183680.

The previous prime is 1271419. The next prime is 1271429. The reversal of 1271423 is 3241721.

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 1271423 - 2² = 1271419 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1271395 and 1271404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271429) 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, 611 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (170190).

2^1271423 is an apocalyptic number.

1271423 is a deficient number, since it is larger than the sum of its proper divisors (90097).

1271423 is a wasteful number, since it uses less digits than its factorization.

1271423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its digits is 336, while the sum is 20.

The square root of 1271423 is about 1127.5739443602. The cubic root of 1271423 is about 108.3336447065. Note that the first 3 decimals are identical.

The spelling of 1271423 in words is "one million, two hundred seventy-one thousand, four hundred twenty-three".