1231262 has 16 divisors (see below), whose sum is σ = 1921920. Its totient is φ = 591192.

The previous prime is 1231261. The next prime is 1231267. The reversal of 1231262 is 2621321.

It is a super-2 number, since 2×1231262² = 3032012225288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1231262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231261) 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, 8789 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^1231262 is an apocalyptic number.

1231262 is a deficient number, since it is larger than the sum of its proper divisors (690658).

1231262 is a wasteful number, since it uses less digits than its factorization.

1231262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its digits is 144, while the sum is 17.

The square root of 1231262 is about 1109.6224583163. The cubic root of 1231262 is about 107.1807583160.

Adding to 1231262 its reverse (2621321), we get a palindrome (3852583).

The spelling of 1231262 in words is "one million, two hundred thirty-one thousand, two hundred sixty-two".