1229271 has 8 divisors (see below), whose sum is σ = 1655664. Its totient is φ = 811200.

The previous prime is 1229269. The next prime is 1229273. The reversal of 1229271 is 1729221.

It is an interprime number because it is at equal distance from previous prime (1229269) and next prime (1229273).

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

It is not a de Polignac number, because 1229271 - 2¹ = 1229269 is a prime.

It is a super-2 number, since 2×1229271² = 3022214382882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (206958).

2^1229271 is an apocalyptic number.

1229271 is a deficient number, since it is larger than the sum of its proper divisors (426393).

1229271 is a wasteful number, since it uses less digits than its factorization.

1229271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161.

The product of its digits is 504, while the sum is 24.

The square root of 1229271 is about 1108.7249433471. The cubic root of 1229271 is about 107.1229552876.

The spelling of 1229271 in words is "one million, two hundred twenty-nine thousand, two hundred seventy-one".