1231362 has 40 divisors (see below), whose sum is σ = 3014352. Its totient is φ = 372600.

The previous prime is 1231357. The next prime is 1231379. The reversal of 1231362 is 2631321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1437 + ... + 2127.

2^1231362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507176).

1231362 is an abundant number, since it is smaller than the sum of its proper divisors (1782990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231362 is a wasteful number, since it uses less digits than its factorization.

1231362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 707 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1231362 is about 1109.6675177728. The cubic root of 1231362 is about 107.1836598879.

Adding to 1231362 its reverse (2631321), we get a palindrome (3862683).

It can be divided in two parts, 123 and 1362, that added together give a triangular number (1485 = T₅₄).

The spelling of 1231362 in words is "one million, two hundred thirty-one thousand, three hundred sixty-two".