1231246 has 4 divisors (see below), whose sum is σ = 1846872. Its totient is φ = 615622.

The previous prime is 1231231. The next prime is 1231247. The reversal of 1231246 is 6421321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6421321 = 53 ⋅121157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307810 + ... + 307813.

It is an arithmetic number, because the mean of its divisors is an integer number (461718).

2^1231246 is an apocalyptic number.

1231246 is a deficient number, since it is larger than the sum of its proper divisors (615626).

1231246 is an equidigital number, since it uses as much as digits as its factorization.

1231246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615625.

The product of its digits is 288, while the sum is 19.

The square root of 1231246 is about 1109.6152486335. The cubic root of 1231246 is about 107.1802940499.

Adding to 1231246 its reverse (6421321), we get a palindrome (7652567).

It can be divided in two parts, 123 and 1246, that added together give a square (1369 = 37²).

The spelling of 1231246 in words is "one million, two hundred thirty-one thousand, two hundred forty-six".