1231452 has 36 divisors (see below), whose sum is σ = 3159520. Its totient is φ = 404352.

The previous prime is 1231423. The next prime is 1231453. The reversal of 1231452 is 2541321.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2628 + ... + 3060.

2^1231452 is an apocalyptic number.

1231452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579760).

1231452 is an abundant number, since it is smaller than the sum of its proper divisors (1928068).

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

1231452 is a wasteful number, since it uses less digits than its factorization.

1231452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 517 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1231452 is about 1109.7080697192. The cubic root of 1231452 is about 107.1862711683.

Adding to 1231452 its reverse (2541321), we get a palindrome (3772773).

The spelling of 1231452 in words is "one million, two hundred thirty-one thousand, four hundred fifty-two".