1231466 has 16 divisors (see below), whose sum is σ = 2030400. Its totient is φ = 557568.

The previous prime is 1231459. The next prime is 1231469. The reversal of 1231466 is 6641321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1231469) 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, 170 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (126900).

2^1231466 is an apocalyptic number.

1231466 is a deficient number, since it is larger than the sum of its proper divisors (798934).

1231466 is a wasteful number, since it uses less digits than its factorization.

1231466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453.

The product of its digits is 864, while the sum is 23.

The square root of 1231466 is about 1109.7143776666. The cubic root of 1231466 is about 107.1866773560.

Adding to 1231466 its reverse (6641321), we get a palindrome (7872787).

The spelling of 1231466 in words is "one million, two hundred thirty-one thousand, four hundred sixty-six".