1301231 has 4 divisors (see below), whose sum is σ = 1377792. Its totient is φ = 1224672.

The previous prime is 1301221. The next prime is 1301233. The reversal of 1301231 is 1321031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301231 - 2¹⁴ = 1284847 is a prime.

It is a super-2 number, since 2×1301231² = 3386404230722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38255 + ... + 38288.

It is an arithmetic number, because the mean of its divisors is an integer number (344448).

2^1301231 is an apocalyptic number.

1301231 is a deficient number, since it is larger than the sum of its proper divisors (76561).

1301231 is an equidigital number, since it uses as much as digits as its factorization.

1301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76560.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1301231 is about 1140.7151265763. The cubic root of 1301231 is about 109.1737262753.

Adding to 1301231 its reverse (1321031), we get a palindrome (2622262).

The spelling of 1301231 in words is "one million, three hundred one thousand, two hundred thirty-one".