1269231 has 8 divisors (see below), whose sum is σ = 1731840. Its totient is φ = 826392.

The previous prime is 1269223. The next prime is 1269239. The reversal of 1269231 is 1329621.

It is an interprime number because it is at equal distance from previous prime (1269223) and next prime (1269239).

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

It is not a de Polignac number, because 1269231 - 2³ = 1269223 is a prime.

It is a super-2 number, since 2×1269231² = 3221894662722, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269239) 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, 4791 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (216480).

2^1269231 is an apocalyptic number.

1269231 is a deficient number, since it is larger than the sum of its proper divisors (462609).

1269231 is an equidigital number, since it uses as much as digits as its factorization.

1269231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885.

The product of its digits is 648, while the sum is 24.

The square root of 1269231 is about 1126.6015267165. The cubic root of 1269231 is about 108.2713512635.

The spelling of 1269231 in words is "one million, two hundred sixty-nine thousand, two hundred thirty-one".