1232281 has 8 divisors (see below), whose sum is σ = 1286144. Its totient is φ = 1179360.

The previous prime is 1232269. The next prime is 1232291. The reversal of 1232281 is 1822321.

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 1232281 - 2¹¹ = 1230233 is a prime.

It is a super-2 number, since 2×1232281² = 3037032925922, which contains 22 as substring.

It is a Duffinian number.

1232281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1232201) 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, 3781 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (160768).

2^1232281 is an apocalyptic number.

It is an amenable number.

1232281 is a deficient number, since it is larger than the sum of its proper divisors (53863).

1232281 is a wasteful number, since it uses less digits than its factorization.

1232281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its digits is 192, while the sum is 19.

The square root of 1232281 is about 1110.0815285374. The cubic root of 1232281 is about 107.2103179810.

It can be divided in two parts, 12322 and 81, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 1232281 in words is "one million, two hundred thirty-two thousand, two hundred eighty-one".